{
   "epochs": [ {
      "calculation_time": "13370592133413163",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377312773833870",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B13408997929A9CB5355B0951E5C570BB6E1CF5F251019957AEA6F4752FC1C6F",
   "next_scheduled_calculation_time": "13377917573834109"
}
