{
   "epochs": [ {
      "calculation_time": "13366320653276422",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366986110317021",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "332FE9224DBB6D6043B41EBDBE6D252B2DA1C6528DEC536DBA09B001E1DF8699",
   "next_scheduled_calculation_time": "13367590910317160"
}
