{
   "epochs": [ {
      "calculation_time": "13366381763557430",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367046959173948",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E5F97E40F98F936D5459FB671EE0DE73FAAABAC87678D67F557C396CB7B155F1",
   "next_scheduled_calculation_time": "13367651759174321"
}
