Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 869976 epoch_slot_no: 5976 block_no: 869879 slot_leader_id: 13 size: 1517 time: 2018-04-13 06:56:51 proto_major: 0 proto_minor: 1 hash: \xb5f6cf01b78f8d7b84c305b047cdf3ca9613e9de3c409b77814a3cd2af54f1e5Block Operator
vrf_key: op_cert: op_cert_counter: