{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7959e8f6cf405336f8b86ba75f101dc44e1f48947d33c71a837773586bf62ca2",
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}