{
   "epochs": [ {
      "calculation_time": "13370921309392244",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379011846327868",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3FA6F242F7E5440C30591ADE7B31B0F5F29C5EC19F7ADBBAA516A82CE863006F",
   "next_scheduled_calculation_time": "13379616646327966"
}
