AddMessage
Unix timestamp when this message expires
type deadline = bigint;
Public key to register onchain
Key type. The only currently supported key type is 1, for EdDSA signers.
type keyType = number;
ABI-encoded SignedKeyRequestMetadata struct
Metadata type. The only currently supported metadata type is 1.
type metadataType = number;
KeyGateway nonce for signer address
type nonce = bigint;
FID owner address
type owner = Address;