diff --git a/scripts/v0/SimpleStruct.ts b/scripts/v0/SimpleStruct.ts
index 0006c56..a5ace2d 100644
--- a/scripts/v0/SimpleStruct.ts
+++ b/scripts/v0/SimpleStruct.ts
@@ -13,8 +13,8 @@ const types = {
 };
 
 interface SimpleStruct {
-  some_felt252: string;
-  some_u128: string;
+  someFelt252: string;
+  someU128: string;
 }
 
 function getDomain(chainId: string): StarknetDomain {
@@ -36,13 +36,13 @@ function getTypedData(myStruct: SimpleStruct, chainId: string): TypedData {
     types,
     primaryType: "SimpleStruct",
     domain: getDomain(chainId),
-    message: { ...myStruct },
+    message: { som_felt252: myStruct.someFelt252, some_u128: myStruct.someU128 },
   };
 }
 
 const simpleStruct: SimpleStruct = {
-  some_felt252: "712",
-  some_u128: "42",
+  someFelt252: "712",
+  someU128: "42",
 };
 
 console.log(`test test_valid_hash ${getTypedDataHash(simpleStruct, "0", 420n)};`);
diff --git a/scripts/v0/StructWithArray.ts b/scripts/v0/StructWithArray.ts
index e8fa26c..a03713e 100644
--- a/scripts/v0/StructWithArray.ts
+++ b/scripts/v0/StructWithArray.ts
@@ -13,8 +13,8 @@ const types = {
 };
 
 interface StructWithArray {
-  some_felt252: string;
-  some_array: string[];
+  someFelt252: string;
+  someArray: string[];
 }
 
 function getDomain(chainId: string): StarknetDomain {
@@ -36,13 +36,13 @@ function getTypedData(myStruct: StructWithArray, chainId: string): TypedData {
     types,
     primaryType: "StructWithArray",
     domain: getDomain(chainId),
-    message: { ...myStruct },
+    message: { some_felt252: myStruct.someFelt252, some_array: myStruct.someArray },
   };
 }
 
 const structWithArray: StructWithArray = {
-  some_felt252: "712",
-  some_array: ["4", "2"],
+  someFelt252: "712",
+  someArray: ["4", "2"],
 };
 
 console.log(`test test_valid_hash ${getTypedDataHash(structWithArray, "0", 420n)};`);
diff --git a/scripts/v0/StructWithMerkletree.ts b/scripts/v0/StructWithMerkletree.ts
index 6debda9..5cc3170 100644
--- a/scripts/v0/StructWithMerkletree.ts
+++ b/scripts/v0/StructWithMerkletree.ts
@@ -14,8 +14,8 @@ const types = {
 };
 
 interface StructWithMerkletree {
-  some_felt252: string;
-  some_merkletree_root: SomeLeaf[];
+  someFelt252: string;
+  someMerkletreeRoot: SomeLeaf[];
 }
 
 export interface SomeLeaf {
@@ -41,13 +41,13 @@ function getTypedData(myStruct: StructWithMerkletree, chainId: string): TypedDat
     types,
     primaryType: "StructWithMerkletree",
     domain: getDomain(chainId),
-    message: { ...myStruct },
+    message: { some_felt252: myStruct.someFelt252, some_merkletree_root: myStruct.someMerkletreeRoot },
   };
 }
 
 const structWithMerkletree: StructWithMerkletree = {
-  some_felt252: "712",
-  some_merkletree_root: [{ contract_address: "0x1" }, { contract_address: "0x2" }],
+  someFelt252: "712",
+  someMerkletreeRoot: [{ contract_address: "0x1" }, { contract_address: "0x2" }],
 };
 
 console.log(`test test_valid_hash ${getTypedDataHash(structWithMerkletree, "0", 420n)};`);
diff --git a/scripts/v0/StructWithU256.ts b/scripts/v0/StructWithU256.ts
index 2787d72..b655a2c 100644
--- a/scripts/v0/StructWithU256.ts
+++ b/scripts/v0/StructWithU256.ts
@@ -17,8 +17,8 @@ const types = {
 };
 
 interface StructWithU256 {
-  some_felt252: string;
-  some_u256: Uint256;
+  someFelt252: string;
+  someU256: Uint256;
 }
 
 function getDomain(chainId: string): StarknetDomain {
@@ -40,13 +40,13 @@ function getTypedData(myStruct: StructWithU256, chainId: string): TypedData {
     types,
     primaryType: "StructWithU256",
     domain: getDomain(chainId),
-    message: { ...myStruct },
+    message: { some_felt252: myStruct.someFelt252, some_u256: myStruct.someU256 },
   };
 }
 
 const structWithU256: StructWithU256 = {
-  some_felt252: "712",
-  some_u256: uint256.bnToUint256(42),
+  someFelt252: "712",
+  someU256: uint256.bnToUint256(42),
 };
 
 console.log(`test test_valid_hash ${getTypedDataHash(structWithU256, "0", 420n)};`);
diff --git a/scripts/v1/StructWithArray.ts b/scripts/v1/StructWithArray.ts
index a4ffb90..5e679ed 100644
--- a/scripts/v1/StructWithArray.ts
+++ b/scripts/v1/StructWithArray.ts
@@ -39,7 +39,7 @@ function getTypedData(myStruct: StructWithArray, chainId: string): TypedData {
     types,
     primaryType: "StructWithArray",
     domain: getDomain(chainId),
-    message: { "Some felt252": myStruct.someFelt252, "Some array": myStruct.someArray},
+    message: { "Some felt252": myStruct.someFelt252, "Some array": myStruct.someArray },
   };
 }