Get Message
Get the message for the user's wallet to sign.
Authentication
x-coinflow-auth-walletstring
The web3 wallet of the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key
x-coinflow-auth-blockchainstring
The blockchain associated with the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key
Response
Ok
message
transaction

