{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1b6797de99a9d1a78d1c971a4d10ec6a1e2f31343843a311c1618b6129554bee",
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}