{
   "epochs": [ {
      "calculation_time": "13366765401342522",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367437698557807",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9CE3B5C5DB55447ABE1189B9A809DF5254E868196044D023AA687EBE7C40F16B",
   "next_scheduled_calculation_time": "13368042498558566"
}
