{
   "epochs": [ {
      "calculation_time": "13370509707974615",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376920190866214",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5F4E1C28557F33D1C3FE30BF4606D2B095FD96D40D7972DAAAE5DC38839486AF",
   "next_scheduled_calculation_time": "13377524990866346"
}
