{
   "epochs": [ {
      "calculation_time": "13366280534233159",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366944325068207",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C178F6478BD84C58AE12A19CC6BD4943CD380246356A5DB3E37AEFB9D0E93FD7",
   "next_scheduled_calculation_time": "13367549125068314"
}
