Block details.
Epoch: 55 Number of transactions in block: 1 slot_no: 1203754 epoch_slot_no: 15754 block_no: 1203574 slot_leader_id: 8 size: 1530 time: 2018-06-29 13:16:11 proto_major: 0 proto_minor: 1 hash: \x0a2161f55c2795c0f77625cd05ac0e89afb3eceb340f854a8e61d2287f8b5fcaBlock Operator
vrf_key: op_cert: op_cert_counter: