Block details.
Epoch: 196 Number of transactions in block: 4 slot_no: 4253216 epoch_slot_no: 19616 block_no: 4251067 slot_leader_id: 8 size: 2218 time: 2020-06-04 10:43:31 proto_major: 1 proto_minor: 0 hash: \xf22a32891be9d23cea051642e0ce1b9db7b82118dfeee56c9313f8d97d7b8e3aBlock Operator
vrf_key: op_cert: op_cert_counter: