{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x587c00ed3fbc9a9de061358583c64ab8318991e00519c7329bd975ac68a570e9",
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}