{
   "epochs": [ {
      "calculation_time": "13366784107274162",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367457497390137",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "711587F72CAD7538D7C6E419F47AF810D0DAFFC65171013DA7CFB9C2440D4BBD",
   "next_scheduled_calculation_time": "13368062297390328"
}
