Block details.
Epoch: 90 Number of transactions in block: 2 slot_no: 1957715 epoch_slot_no: 13715 block_no: 1956233 slot_leader_id: 12 size: 1533 time: 2018-12-21 01:56:31 proto_major: 0 proto_minor: 2 hash: \x35680cf54e5ae018b96a774136c0eaeeaa90fc93b8b5d30c5ff57cb69f426e81Block Operator
vrf_key: op_cert: op_cert_counter: