{
   "epochs": [ {
      "calculation_time": "13366530078789977",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367192332052424",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AE2A1AB52F83A67AF6B577C850B50C339E2B7A2B7FA0837961FB8B6213862317",
   "next_scheduled_calculation_time": "13367797132053066"
}
