{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0cfb7bb5f8d76fa6028b9f46318b441753320dc4a06842e3e6a79a01133b59be",
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  }
}