Block details.
Epoch: 56 Number of transactions in block: 1 slot_no: 1212817 epoch_slot_no: 3217 block_no: 1212637 slot_leader_id: 13 size: 1029 time: 2018-07-01 15:37:11 proto_major: 0 proto_minor: 1 hash: \x6013755bafda96b6eceee6955effeedd77b7e0c6038e2f738f31b92fc375623cBlock Operator
vrf_key: op_cert: op_cert_counter: