{
   "epochs": [ {
      "calculation_time": "13370534976569964",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377027098461519",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "24ABDF87AB910AC36B03D4ECCFE4248C5B4A4F1DC8AD70DBCB59C28BC7FEF23C",
   "next_scheduled_calculation_time": "13377631898461620"
}
