{
   "epochs": [ {
      "calculation_time": "13366605191829321",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367264914039019",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A46B22F4A19A2AA0CCADDEE9347DC7A7AAE77A9EA6F31DA9FBC963B24143EB99",
   "next_scheduled_calculation_time": "13367869714039365"
}
