Block details.
Epoch: 25 Number of transactions in block: 1 slot_no: 559522 epoch_slot_no: 19522 block_no: 559449 slot_leader_id: 8 size: 1026 time: 2018-01-31 10:12:11 proto_major: 0 proto_minor: 1 hash: \xfd202db617ad4763fe6944cde0d3819ad32b5db4e09c72556b8fa1c50e7b826aBlock Operator
vrf_key: op_cert: op_cert_counter: