Block details.
Epoch: 197 Number of transactions in block: 3 slot_no: 4268340 epoch_slot_no: 13140 block_no: 4266188 slot_leader_id: 3 size: 4778 time: 2020-06-07 22:44:51 proto_major: 1 proto_minor: 0 hash: \xfe9ecd1807769e393ecefb2378608c7e11c64d8d61cb0f30be15a2b88997896dBlock Operator
vrf_key: op_cert: op_cert_counter: