{
   "epochs": [ {
      "calculation_time": "13370495491675656",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376891580723772",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AFCE5601387BD320EFF3F21A90D2ED4AF8143211656AD1D14E397AF91B0A8CB8",
   "next_scheduled_calculation_time": "13377496380724094"
}
