{
   "epochs": [ {
      "calculation_time": "13371198047056650",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379773677248517",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "721CF46D698C573319443F3AC3CF2DD2DC1BFF04DA3F28CA66B5760942A56888",
   "next_scheduled_calculation_time": "13380378477248592"
}
