Block details.
Epoch: 90 Number of transactions in block: 3 slot_no: 1957337 epoch_slot_no: 13337 block_no: 1955855 slot_leader_id: 12 size: 3338 time: 2018-12-20 23:50:31 proto_major: 0 proto_minor: 2 hash: \x72b35807c36def840128ee7a159123eab956ed63dbe8d9323f5e05463fd8661fBlock Operator
vrf_key: op_cert: op_cert_counter: