{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf5dc9969e5d723eb3dec8a7ecfa244bfec522e20af9d58280e99cd6198ee3bd2",
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}