Block details.
Epoch: 18 Number of transactions in block: 2 slot_no: 407961 epoch_slot_no: 19161 block_no: 407909 slot_leader_id: 12 size: 1382 time: 2017-12-27 08:11:51 proto_major: 0 proto_minor: 1 hash: \x14ec1e50764db2a3ef9bdd1d7175afabfa791921866e82d6fff3a0f91c79dc5bBlock Operator
vrf_key: op_cert: op_cert_counter: