{
   "epochs": [ {
      "calculation_time": "13371155841225749",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379612025554944",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "654EA108EB5A5D4AC3EC2A402F6250315D3ADF92FFE29F9B02F0030BC694E2E9",
   "next_scheduled_calculation_time": "13380216825555048"
}
