{
   "epochs": [ {
      "calculation_time": "13370842220976027",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378231465138687",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "93888DBC51EE70B7E96B5F0C2DD3F915411B6CB39980F1DB9D612BF95B50426F",
   "next_scheduled_calculation_time": "13378836265138969"
}
