Block details.
Epoch: 173 Number of transactions in block: 1 slot_no: 3739713 epoch_slot_no: 2913 block_no: 3737656 slot_leader_id: 4 size: 1033 time: 2020-02-06 13:55:51 proto_major: 0 proto_minor: 2 hash: \xbb2cf4ac241184d2de8acd0ddd68eeeb3e9b5fdfd81fa0e4cc5f9ce6642a3d8dBlock Operator
vrf_key: op_cert: op_cert_counter: