Block details.
Epoch: 207 Number of transactions in block: 2 slot_no: 4480844 epoch_slot_no: 9644 block_no: 4478555 slot_leader_id: 13 size: 3598 time: 2020-07-27 03:19:31 proto_major: 2 proto_minor: 0 hash: \xa79ad5ba32d911a2f6118d3fb86d3679f20150d36f05226f21b486d022b04afcBlock Operator
vrf_key: op_cert: op_cert_counter: