{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x11f9f107662b79375d86323d4049842edd259d168b56e7b1a5298d402b4b85c0",
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  }
}