Block details.
Epoch: 138 Number of transactions in block: 2 slot_no: 2990504 epoch_slot_no: 9704 block_no: 2988971 slot_leader_id: 3 size: 1901 time: 2019-08-17 03:39:31 proto_major: 0 proto_minor: 2 hash: \xf98e88a79d51fa02afda1ab569943e1784af69454b5b1bab487c07b819834ce3Block Operator
vrf_key: op_cert: op_cert_counter: