Block details.
Epoch: 191 Number of transactions in block: 4 slot_no: 4143460 epoch_slot_no: 17860 block_no: 4141355 slot_leader_id: 3 size: 7199 time: 2020-05-10 00:58:11 proto_major: 1 proto_minor: 0 hash: \x02bd4f003c5ce2f43a6aa96d1dd750d1267d36d2aed2b7a332be5a31eac388caBlock Operator
vrf_key: op_cert: op_cert_counter: