{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2bc376d7329873a60df1c0e10476782bee566f5d9e5556e6a49954b09849d09c",
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  }
}