Block details.
Epoch: 181 Number of transactions in block: 3 slot_no: 3915859 epoch_slot_no: 6259 block_no: 3913774 slot_leader_id: 12 size: 2025 time: 2020-03-18 08:31:11 proto_major: 1 proto_minor: 0 hash: \xb5bbd44321ca10dc48fc4b23c34da62c339ccad6d2fad5d579f76ad5f8bfb9bfBlock Operator
vrf_key: op_cert: op_cert_counter: