{
   "epochs": [ {
      "calculation_time": "13366266233814862",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366930543128467",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B7D1F528035FD3BA531791B2C12F0D15BC6718C8781691757137B1C79F75549D",
   "next_scheduled_calculation_time": "13367535343128682"
}
