{
   "epochs": [ {
      "calculation_time": "13366241289298833",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366906471898648",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "480573E6E8FAD1BE498D12CFC0BDCFE937EF56F3041210FAA74CA86A84CA1205",
   "next_scheduled_calculation_time": "13367511271899154"
}
