{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x00ef855324f8b103f9d3b2275ff5a088484ee944e1a96da0d0c681eea7a0896b",
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  }
}