Signer_messages.Requesttype t = | Sign of Sign.Request.t| Public_key of Public_key.Request.t| Authorized_keys| Deterministic_nonce of Deterministic_nonce.Request.t| Deterministic_nonce_hash of Deterministic_nonce_hash.Request.t| Supports_deterministic_nonces of Supports_deterministic_nonces.Request.t| Known_keys| Bls_prove_possession of Bls_prove_possession.Request.tval encoding : t Tezos_base.TzPervasives.Data_encoding.t