{
   "epochs": [ {
      "calculation_time": "13371124103912921",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379560379314771",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EAEF0C7ED908EE6030BDCF3757016957C1CA62C1C2FBF5BA9E6DD3E362690F22",
   "next_scheduled_calculation_time": "13380165179314869"
}
