{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4b74b11d295fc343d99e87be9c72fb6a010121a7024a690932ffb8cdd343c0ad",
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}