Block details.
Epoch: 90 Number of transactions in block: 4 slot_no: 1949237 epoch_slot_no: 5237 block_no: 1947755 slot_leader_id: 4 size: 2708 time: 2018-12-19 02:50:31 proto_major: 0 proto_minor: 2 hash: \x4201edcea0de30576089f6d6cceaf70a5c665ea2d996e571d7812ce93bc7f5f1Block Operator
vrf_key: op_cert: op_cert_counter: