{
   "epochs": [ {
      "calculation_time": "13366319259845419",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366984700583806",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "481DCBE50BC01B37E074BC846269D4D8AC82BD9DE0A9AB666DD0D06BEE258096",
   "next_scheduled_calculation_time": "13367589500584141"
}
