Block details.
Epoch: 19 Number of transactions in block: 1 slot_no: 424331 epoch_slot_no: 13931 block_no: 424277 slot_leader_id: 8 size: 990 time: 2017-12-31 03:08:31 proto_major: 0 proto_minor: 1 hash: \x70b08c9ee50b92cd118b6b33e8cbbf9836798a41a9d53d9aeae1449d6e7a29daBlock Operator
vrf_key: op_cert: op_cert_counter: