{
   "epochs": [ {
      "calculation_time": "13366679811241160",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367343412049236",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D8FB94073384DB90B1C9AA0766B4476DD9DCF9A875ACC9BAA5BFA5CE2112639D",
   "next_scheduled_calculation_time": "13367948212049795"
}
