Block details.
Epoch: 195 Number of transactions in block: 4 slot_no: 4227380 epoch_slot_no: 15380 block_no: 4225231 slot_leader_id: 12 size: 3652 time: 2020-05-29 11:11:31 proto_major: 1 proto_minor: 0 hash: \xb4dfb8d8b3aa5331fed1bffec7233d99d5aec2a5d441d2bd4ab2e3016f116a0bBlock Operator
vrf_key: op_cert: op_cert_counter: