{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96c2fe6c3e1cedf4db0d93e2b58c49284e134fa4cc03fb42927cc56aa1ca218d",
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  }
}