{
   "epochs": [ {
      "calculation_time": "13366483543480809",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367146328891399",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "63A68AB28C811D7D1DD12E707DDB6A68D429D01BDB1BC6979F2FCE5DE55E470F",
   "next_scheduled_calculation_time": "13367751128891986"
}
