Block details.
Epoch: 40 Number of transactions in block: 1 slot_no: 869886 epoch_slot_no: 5886 block_no: 869789 slot_leader_id: 4 size: 987 time: 2018-04-13 06:26:51 proto_major: 0 proto_minor: 1 hash: \xcc3b002333d22d98031ce0dda57aa8c390b6d2d6561f04fc4f1b6426e0ea4d0dBlock Operator
vrf_key: op_cert: op_cert_counter: