Block details.
Epoch: 202 Number of transactions in block: 3 slot_no: 4380144 epoch_slot_no: 16944 block_no: 4377920 slot_leader_id: 3 size: 4284 time: 2020-07-03 19:52:51 proto_major: 1 proto_minor: 0 hash: \xa22d6b584fa57b8d8b0d38a074ded7cb6c06015f817f11c18c220a572f27c97aBlock Operator
vrf_key: op_cert: op_cert_counter: