Block details.
Epoch: 74 Number of transactions in block: 1 slot_no: 1616729 epoch_slot_no: 18329 block_no: 1616332 slot_leader_id: 6 size: 3039 time: 2018-10-03 03:34:31 proto_major: 0 proto_minor: 1 hash: \xb5a9a0af8c8fa2ff1d1a8e218e471c626058c74a2cc1b00930fcd3ce9a8af2dfBlock Operator
vrf_key: op_cert: op_cert_counter: