{
   "epochs": [ {
      "calculation_time": "13366461569765543",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367125162926669",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8F198BF6357EDD7D6C4865C5F55664F65598D90259057BFD1D2285F89AD367E0",
   "next_scheduled_calculation_time": "13367729962927570"
}
