Block details.
Epoch: 33 Number of transactions in block: 1 slot_no: 728473 epoch_slot_no: 15673 block_no: 728388 slot_leader_id: 4 size: 1155 time: 2018-03-11 12:49:11 proto_major: 0 proto_minor: 1 hash: \x5f4ce8c99e6309dc88cd71e898849440614c99b15fdff5fbbda4d07ff88c12baBlock Operator
vrf_key: op_cert: op_cert_counter: