{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xef925f0a386e7690b233e317de6c7c9089e68e631f7dbd3d466ad01105db9ad1",
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}