{
   "epochs": [ {
      "calculation_time": "13370776799418378",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378020697252321",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DACD9C9E14AA0A336EA90AA2AFEEA13DAC19A095FA9AB3AB42176CDC4B08C479",
   "next_scheduled_calculation_time": "13378625497252377"
}
