{
   "epochs": [ {
      "calculation_time": "13366632416218422",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367292692463462",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FD3FE7E96E54FAF6EC72D3348B518B5C6CA88F7C281C42527CDB1796917BF102",
   "next_scheduled_calculation_time": "13367897492463844"
}
