{
   "epochs": [ {
      "calculation_time": "13366671014957432",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367334405804120",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A2E6C9B6778ED83B2E64ACBEDD54859A26880781CB33644511CB631D41CEDCC6",
   "next_scheduled_calculation_time": "13367939205804261"
}
