{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc6b12038661b1861bcf36940538efe1d77bc6eb2df746f8b05fcb2f572f8dbe",
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}