Block details.
Epoch: 18 Number of transactions in block: 1 slot_no: 389128 epoch_slot_no: 328 block_no: 389076 slot_leader_id: 3 size: 1028 time: 2017-12-22 23:34:11 proto_major: 0 proto_minor: 1 hash: \xe131a59e9ccb3bd5cbb208d7721039b55b2b9f1c95bed0da57c6a2ba5ac49076Block Operator
vrf_key: op_cert: op_cert_counter: