Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4257707 epoch_slot_no: 2507 block_no: 4255558 slot_leader_id: 3 size: 1528 time: 2020-06-05 11:40:31 proto_major: 1 proto_minor: 0 hash: \x0c33023ea097627c5d5e4d1cd30cfe8a001f47b8c57deae5cecfe69b8aac4182Block Operator
vrf_key: op_cert: op_cert_counter: