Block details.
Epoch: 72 Number of transactions in block: 1 slot_no: 1574431 epoch_slot_no: 19231 block_no: 1574091 slot_leader_id: 13 size: 1030 time: 2018-09-23 08:35:11 proto_major: 0 proto_minor: 1 hash: \xe2ba9cb610dce3620ed3e3170b4581068faeb94c70ca1c3a1ba2304566da84bdBlock Operator
vrf_key: op_cert: op_cert_counter: