{
   "epochs": [ {
      "calculation_time": "13366320988391814",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366986580851965",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DF9E767079CE917E55DFCF79BD7AAE5D5C3018F9EE2A0C30050467DD6F2145C6",
   "next_scheduled_calculation_time": "13367591380852371"
}
