Block details.
Epoch: 192 Number of transactions in block: 2 slot_no: 4159450 epoch_slot_no: 12250 block_no: 4157344 slot_leader_id: 7 size: 2434 time: 2020-05-13 17:48:11 proto_major: 1 proto_minor: 0 hash: \xfa55d4aca49853cb3d841339f09bcaa2d751ac4f870a20ecaf667b9e2f282a2dBlock Operator
vrf_key: op_cert: op_cert_counter: