{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x304c7f7e65b6c1c9ab8c7c5f9154ed972a4467e4321e284c8ca2706accebacd7",
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}