{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa5d74f154fc3cc16a5ec5babeec3930ed86f7c7e1bce4a7983ffd35092c7d7ea",
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}