Block details.
Epoch: 196 Number of transactions in block: 2 slot_no: 4253531 epoch_slot_no: 19931 block_no: 4251382 slot_leader_id: 8 size: 6743 time: 2020-06-04 12:28:31 proto_major: 1 proto_minor: 0 hash: \x7f12cfba8143c8caadbda214d6f8158240fb33ced89028981eca6dd875ded9aeBlock Operator
vrf_key: op_cert: op_cert_counter: