Domain from the server
Wallet address making the assertion
OptionalstatementOptional statement
Resource URI
SIWx version
Chain ID in CAIP-2 format
Nonce from server
ISO 8601 timestamp when message was issued
OptionalexpirationISO 8601 timestamp when signature expires
OptionalnotISO 8601 timestamp before which signature is not valid
OptionalrequestOptional request ID
OptionalresourcesResources array
Cryptographic signature
Complete SIWx payload including signature.