{
   "epochs": [ {
      "calculation_time": "13366793626033222",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367467569179200",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C9C14ADDE247DBC05A189AB309044FBF051E5F75966DCE352A52388EB23EA157",
   "next_scheduled_calculation_time": "13368072369179970"
}
