Block details.
Epoch: 39 Number of transactions in block: 4 slot_no: 863841 epoch_slot_no: 21441 block_no: 863745 slot_leader_id: 8 size: 2107 time: 2018-04-11 20:51:51 proto_major: 0 proto_minor: 1 hash: \x076a64dc82278962795f9d0041a690085857c5da40c167e0cb6cae734d4fb0eeBlock Operator
vrf_key: op_cert: op_cert_counter: