Block details.
Epoch: 194 Number of transactions in block: 2 slot_no: 4192021 epoch_slot_no: 1621 block_no: 4189913 slot_leader_id: 7 size: 2304 time: 2020-05-21 06:45:11 proto_major: 1 proto_minor: 0 hash: \x660dc49b17575fcc16faf847c5b466c7be4a38a5e7d7c66bdc6a5c1ae0a495eeBlock Operator
vrf_key: op_cert: op_cert_counter: