OBJECT
type BlockHeader {level: Int! proto: Int! predecessor: BlockHash! timestamp: DateTime! signature: Signature! validation_pass: Int! operations_hash: OperationsHash! fitness: [String!]! context: ContextHash! priority: Int proof_of_work_nonce: String! seed_nonce_hash: NonceHash liquidity_baking_escape_vote: Boolean! payload_hash: PayloadHash payload_round: Int }