{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6159463188e68d9b7c71b54fd9204d879d805a4e3578bf9b3f58b2ce3b5e624",
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}