Block details.
Epoch: 56 Number of transactions in block: 3 slot_no: 1221032 epoch_slot_no: 11432 block_no: 1220851 slot_leader_id: 4 size: 1736 time: 2018-07-03 13:15:31 proto_major: 0 proto_minor: 1 hash: \x98dcdcbb6e23017a2102982fac635917a81e63e8e90a84dde65c5959069c6acaBlock Operator
vrf_key: op_cert: op_cert_counter: