Block details.
Epoch: 195 Number of transactions in block: 1 slot_no: 4223715 epoch_slot_no: 11715 block_no: 4221567 slot_leader_id: 3 size: 4358 time: 2020-05-28 14:49:51 proto_major: 1 proto_minor: 0 hash: \xfe8f909818b313ae0e927ca0a623a0fea90242a3d40469256c4593cbb271dd38Block Operator
vrf_key: op_cert: op_cert_counter: