{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5a1de8303b3ef0e747be3a5ad88724e87a38d383c2fc22c76d2fa5c3cb3baa5a",
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    "userId": "627249990"
  }
}