{
   "epochs": [ {
      "calculation_time": "13366455039667070",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367118841804633",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A931FF93BAE2E4B6156A3E835CC297B032A4928E707E24F2CFFC273BA9FCF39E",
   "next_scheduled_calculation_time": "13367723641805609"
}
