{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7dd584afff5d1784c9d1254ddc3e7f5772c2d6ed723d52c62eb69a335e47ca83",
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}