{
   "epochs": [ {
      "calculation_time": "13370531587139906",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13372246093296810",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "ACAF7707096E3B10A5AE5D768C1E3FEFF60015A1C124778EFE5864E46BCAF026",
   "next_scheduled_calculation_time": "13372850893297325"
}
