Block details.
Epoch: 191 Number of transactions in block: 1 slot_no: 4146320 epoch_slot_no: 20720 block_no: 4144215 slot_leader_id: 12 size: 2198 time: 2020-05-10 16:51:31 proto_major: 1 proto_minor: 0 hash: \x1b777c9367c23fa0c91fe4e8f86d7476460249a234ce0554b77ff7e158f71072Block Operator
vrf_key: op_cert: op_cert_counter: