Block details.
Epoch: 91 Number of transactions in block: 2 slot_no: 1981827 epoch_slot_no: 16227 block_no: 1980345 slot_leader_id: 3 size: 1348 time: 2018-12-26 15:53:51 proto_major: 0 proto_minor: 2 hash: \xe1e057f1b0881d41ed3bccf8313bedf79c898477b7bfde80c8edaad4f3314f0cBlock Operator
vrf_key: op_cert: op_cert_counter: