{
   "epochs": [ {
      "calculation_time": "13370879739298604",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378398734928762",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6F24A7633F48BD5C7A5557775CD5754C70FBB405A0A3E826518F4EA0008CFB3D",
   "next_scheduled_calculation_time": "13379003534929048"
}
