{
   "epochs": [ {
      "calculation_time": "13366220113983062",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366885156122609",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7479F8B87AB6E2FB9D8027AD6A077AD0AC323914933BCC893C3483B14998BFA5",
   "next_scheduled_calculation_time": "13367489956122745"
}
