{
   "epochs": [ {
      "calculation_time": "13366454745528927",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367118551427401",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E10EA4DA9D3EFF33E162BE410F7150DA9D35EB5163FF7B5CB2B3CB78DCBD751B",
   "next_scheduled_calculation_time": "13367723351427558"
}
