{
   "epochs": [ {
      "calculation_time": "13366773144204129",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367445477662783",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "73E5DDC97FBAA98617323B157D8EC1B11C106431A7E98794B8FC406F70ED725D",
   "next_scheduled_calculation_time": "13368050277663620"
}
