{
   "epochs": [ {
      "calculation_time": "13370519545609618",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378234700577438",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "57BDDE9DD75982DD7DC409151E4DC300F843E2A2662CDE2917882AC9603D0258",
   "next_scheduled_calculation_time": "13378839500577509"
}
