{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3a712f33ae5827ab44283b618ca64ee321b3f7a436db8206145136ae89f74261",
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  }
}