Block details.
Epoch: 57 Number of transactions in block: 1 slot_no: 1239807 epoch_slot_no: 8607 block_no: 1239626 slot_leader_id: 3 size: 1073 time: 2018-07-07 21:33:51 proto_major: 0 proto_minor: 1 hash: \xf5c09d517a981046312ed4b7a111b6ec24b0c62b93f34ffb9ac3f26d31518c64Block Operator
vrf_key: op_cert: op_cert_counter: