{
   "epochs": [ {
      "calculation_time": "13370427917513875",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376749625230190",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6F11AEDD5FBB93BC0A12663CC6BE6C234B734699AA4B97FA9FE52D2EF7E36511",
   "next_scheduled_calculation_time": "13377354425230252"
}
