{
   "epochs": [ {
      "calculation_time": "13366237402013646",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366902318701328",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FF0EC410C29190805488DA282A64980D8DBC1FE6B26D0560ABAA4403566B3464",
   "next_scheduled_calculation_time": "13367507118701438"
}
