Block details.
Epoch: 197 Number of transactions in block: 3 slot_no: 4274112 epoch_slot_no: 18912 block_no: 4271960 slot_leader_id: 12 size: 2141 time: 2020-06-09 06:48:51 proto_major: 1 proto_minor: 0 hash: \xd8cab81016c576711ac63adcfd59e04db78bded6be650245de3e1daf79e96f8dBlock Operator
vrf_key: op_cert: op_cert_counter: