Block details.
Epoch: 71 Number of transactions in block: 1 slot_no: 1550804 epoch_slot_no: 17204 block_no: 1550476 slot_leader_id: 4 size: 991 time: 2018-09-17 21:19:31 proto_major: 0 proto_minor: 1 hash: \xd14ec202b4f9b5fc5cb823cf968b39c416df6aab23fba11bd156ea6aa34a22e5Block Operator
vrf_key: op_cert: op_cert_counter: