{
   "epochs": [ {
      "calculation_time": "13366676239412763",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367339660526797",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2D3B6E4C25EFBCED90EAFCAC6ADB42BFF522AC4F12706EBD20A61415D8DC0D2A",
   "next_scheduled_calculation_time": "13367944460527538"
}
