{
   "epochs": [ {
      "calculation_time": "13370138372396479",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375182452557067",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7E52B55893A6BA75E65D3DB55091343AEE074EDD1F4528FADB7202B40F6B5850",
   "next_scheduled_calculation_time": "13375787252557369"
}
