{
   "epochs": [ {
      "calculation_time": "13366665110145575",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367328426505656",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "5069FBAD52E1EF0BEDEBF0EF4BF9C36083F6E21F3422CB8EAA4597F32DAB3739",
   "next_scheduled_calculation_time": "13367933226509452"
}
