{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28ac21a9635374ef7b004501274c0e4a780aaa3b79bc931bb90d449b945cfe9a",
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}