Block details.
Epoch: 44 Number of transactions in block: 4 slot_no: 966797 epoch_slot_no: 16397 block_no: 966691 slot_leader_id: 4 size: 2965 time: 2018-05-05 16:50:31 proto_major: 0 proto_minor: 1 hash: \x7694014138f51c7efecf118fc3c884ebfc5c31c2e24531706680e28bc161e25cBlock Operator
vrf_key: op_cert: op_cert_counter: