{
   "epochs": [ {
      "calculation_time": "13370436305123111",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376761602555903",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C01CB41059B73D0F8093821D7C3F7BA40D155AAA75F1E7FAB2BD4F57EDDD9414",
   "next_scheduled_calculation_time": "13377366402556008"
}
