{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4aa16894a42e3c891a0f7508ca214bad760c122230da92df840a870450f83571",
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  }
}