Block details.
Epoch: 138 Number of transactions in block: 4 slot_no: 3000437 epoch_slot_no: 19637 block_no: 2998904 slot_leader_id: 3 size: 2457 time: 2019-08-19 10:50:31 proto_major: 0 proto_minor: 2 hash: \xc30e279a3e7a597aaceed00f37a9da3deecb325c257c035f11b1ad5049cdecccBlock Operator
vrf_key: op_cert: op_cert_counter: