{
   "epochs": [ {
      "calculation_time": "13366611440489943",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367271115727556",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "6043BCD73EE7B9CF8219AE8ECCE4E4E1E54FBE53AE078948B76F728F3DFB3036",
   "next_scheduled_calculation_time": "13367875915727940"
}
