{
   "epochs": [ {
      "calculation_time": "13366598653783440",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367258342550631",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5A79F21B5695952DDB50DE25AD794D1DC2B2B8229D186F88D3FC70700EE78F3F",
   "next_scheduled_calculation_time": "13367863142551409"
}
