{
   "epochs": [ {
      "calculation_time": "13366621061102755",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367281289359218",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0B85250E68A3CE983F59A6B0DE6F1185F2E71AD64C7F6EF8D6950194948AA125",
   "next_scheduled_calculation_time": "13367886089359489"
}
