Block details.
Epoch: 191 Number of transactions in block: 2 slot_no: 4145470 epoch_slot_no: 19870 block_no: 4143365 slot_leader_id: 4 size: 1397 time: 2020-05-10 12:08:11 proto_major: 1 proto_minor: 0 hash: \x2df5b0bd5d705a83669c6b62acbee094030ed36942860dc49040aa13b9cb287fBlock Operator
vrf_key: op_cert: op_cert_counter: