Block details.
Epoch: 44 Number of transactions in block: 1 slot_no: 962027 epoch_slot_no: 11627 block_no: 961921 slot_leader_id: 7 size: 1020 time: 2018-05-04 14:20:31 proto_major: 0 proto_minor: 1 hash: \xd7f30c52ee983e8454a561b7dd3fb4a3a0a1b1260db18e401715b30c1faf59baBlock Operator
vrf_key: op_cert: op_cert_counter: