{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xac32b38d76ae72549c96b660a3e3e8ba90ca3f1d2c71c43cca1ca37175701858",
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}