Block details.
Epoch: 87 Number of transactions in block: 2 slot_no: 1891176 epoch_slot_no: 11976 block_no: 1889712 slot_leader_id: 7 size: 1892 time: 2018-12-05 16:16:51 proto_major: 0 proto_minor: 2 hash: \x3d49575bc90135f3b76ddaee5d3c1248635748148261ff4a6bcf5898986f7150Block Operator
vrf_key: op_cert: op_cert_counter: