uri = "wc" ":" topic [ "@" version ][ "?" parameters ]
topic = STRING
version = 1*DIGIT
parameters = parameter *( "&" parameter )
parameter = key "=" value
key = STRING
value = STRING
symKey
(STRING) = symmetric key used for pairing encryption
relay-protocol
(STRING) = protocol name used for relay
relay-data
(STRING) = hex data payload used for relay
topic = “7f6e504bfad60b485450578e05678ed3e8e8c4751d3c6160be17160d63ec90f9”
version = 2
symKey = “587d5484ce2a2a6ee3ba1962fdd7e8588e06200c46823bd18fbd67def96ad303”
relay = { protocol: “iridium”, data: “” }
uri = “wc:7f6e504bfad60b485450578e05678ed3e8e8c4751d3c6160be17160d63ec90f9@2?relay-protocol=iridium&symKey=587d5484ce2a2a6ee3ba1962fdd7e8588e06200c46823bd18fbd67def96ad303”