{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa80e3e57c0a80dfb6d319a481cec23ea41da00e7cb6fdd6a0fd50d06ed13b2ef",
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  }
}