{
   "epochs": [ {
      "calculation_time": "13371121274099304",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379534805210466",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9382EE46A62636CE2AFB1C082563159BBB88AA31BA6D296AADFF02A548D9DD17",
   "next_scheduled_calculation_time": "13380139605210547"
}
