{
   "epochs": [ {
      "calculation_time": "13366453769313140",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367117556354516",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1C9619CC55C22436B56C19BBE6122968C468BF28E0E475F7F836FC9ED5BF6E68",
   "next_scheduled_calculation_time": "13367722356354816"
}
