Block details.
Epoch: 19 Number of transactions in block: 1 slot_no: 418017 epoch_slot_no: 7617 block_no: 417964 slot_leader_id: 7 size: 990 time: 2017-12-29 16:03:51 proto_major: 0 proto_minor: 1 hash: \x2770a17ab36a8155710dfed30be946ce6253d1838a84d8dfb84526cc02fce8e6Block Operator
vrf_key: op_cert: op_cert_counter: