{
   "epochs": [ {
      "calculation_time": "13366465478809970",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367129030557983",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "1061D94193022726A3C70967F3B3C96A87A0970E55674B200786A3273DB1488A",
   "next_scheduled_calculation_time": "13367733830558296"
}
