Block details.
Epoch: 198 Number of transactions in block: 1 slot_no: 4280683 epoch_slot_no: 3883 block_no: 4278531 slot_leader_id: 7 size: 3204 time: 2020-06-10 19:19:11 proto_major: 1 proto_minor: 0 hash: \xfc509aacb43aa3ec2e3ac397b16fa2f02c532f7e5bbb67db2f3775c6e0c0ed7cBlock Operator
vrf_key: op_cert: op_cert_counter: