{
   "epochs": [ {
      "calculation_time": "13366281144725487",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366944981820509",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "41CEBBD94D0C556FA22897FE03EF7BE843CB6B17798B8FAFF7D8FE515FB71BBE",
   "next_scheduled_calculation_time": "13367549781821117"
}
