{
   "epochs": [ {
      "calculation_time": "13370884092342703",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378430284526941",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D02E8C8DB3419AF2625994014757D9C4204863549A692539295DA312E641731A",
   "next_scheduled_calculation_time": "13379035084526996"
}
