{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x36a54fa82a915d4c3ac8a736053e78eeb34df64497cc66b01717f1dcaa2c65db",
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    "userId": "479039338"
  }
}