{
   "epochs": [ {
      "calculation_time": "13366503298129184",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367166412167639",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "394ACCEA6F6E965C2B7AAB7AA141983208ABF75D2B2057FA8449D73DF5C7882C",
   "next_scheduled_calculation_time": "13367771212168310"
}
