{
   "epochs": [ {
      "calculation_time": "13370220026625052",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375268525742675",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "80DA4B736EE0E1F8D0E7C55B0BF8CD1C2D918AEF69B3E7FADF3D8E484ACBE99F",
   "next_scheduled_calculation_time": "13375873325743279"
}
