{
   "epochs": [ {
      "calculation_time": "13366349694335979",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367015334188168",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B4164C04C812A86EF9CAB998B7AB3CF789532F487B4FBE626A99DD8DB07DFE75",
   "next_scheduled_calculation_time": "13367620134188816"
}
