Block details.
Epoch: 57 Number of transactions in block: 1 slot_no: 1242887 epoch_slot_no: 11687 block_no: 1242706 slot_leader_id: 12 size: 1569 time: 2018-07-08 14:40:31 proto_major: 0 proto_minor: 1 hash: \x37c9b490054cae41562654015834478bcca07da8827fce184cbe389a7666c139Block Operator
vrf_key: op_cert: op_cert_counter: