{
   "epochs": [ {
      "calculation_time": "13366807456259572",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367481701615877",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C0D465E17CC6E9B9E8D5619AC3470A4205300E8AF9D0DC343D7DA13FA10FF4B6",
   "next_scheduled_calculation_time": "13368086501615979"
}
