{
   "epochs": [ {
      "calculation_time": "13371089397998261",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379396690630897",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7BE672315DE80B8FA6D7CA177F47813269088C024F39F6E7FB5A210BF81A47B0",
   "next_scheduled_calculation_time": "13380001490630989"
}
