{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0eb2d757e515d62e6856f6452be1a4264639468bbad69fda171c08c7a238542a",
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    "signer": "0x3e327C81B6c731B6c03844a03cb5734C5B4E4F02",
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  }
}