{
  "manageEntity": {
    "action": "Save",
    "entityId": "573138457",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x212696330d6688033e19f87e5a0598078816c8c59a42dbf0853fa2a2b57498c2",
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}