{
   "epochs": [ {
      "calculation_time": "13370691573269715",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377539521595242",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A388F63B8ABD27F6F0299DBE3DED3A8DC8DF2E03FD364A217B45FE1A0E8C6EAB",
   "next_scheduled_calculation_time": "13378144321595371"
}
