{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd773077ab5d9d5e70391d78dd7dd904be63ac2acc5e59a85b40723d8e496321a",
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  }
}