Block details.
Epoch: 87 Number of transactions in block: 1 slot_no: 1895366 epoch_slot_no: 16166 block_no: 1893899 slot_leader_id: 6 size: 1245 time: 2018-12-06 15:33:31 proto_major: 0 proto_minor: 2 hash: \xab71a49fbf754eb99e98b96d42fd4e0353f83242bf82e003fdc74639268bb4acBlock Operator
vrf_key: op_cert: op_cert_counter: