{
   "epochs": [ {
      "calculation_time": "13366793012511488",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367466620770354",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FA67C8780FB32CAAFB5089EE2B165E4DF2BB7F64D1B9C33EFA526000BF1C6D93",
   "next_scheduled_calculation_time": "13368071420770494"
}
