Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4260133 epoch_slot_no: 4933 block_no: 4257981 slot_leader_id: 12 size: 1693 time: 2020-06-06 01:09:11 proto_major: 1 proto_minor: 0 hash: \xd30f5eabe742b2cc7d7ac1fb036f8ae092fb58e24fbb011a0b077205c14f8f13Block Operator
vrf_key: op_cert: op_cert_counter: