Block details.
Epoch: 88 Number of transactions in block: 1 slot_no: 1902307 epoch_slot_no: 1507 block_no: 1900835 slot_leader_id: 4 size: 1214 time: 2018-12-08 06:07:11 proto_major: 0 proto_minor: 2 hash: \x4d5f7db700c94cc7ed53436d828ee96fb2b354af125a9b784f7a735acb0fbbbcBlock Operator
vrf_key: op_cert: op_cert_counter: