{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29483e78f57e9839e20c0ace87fa87735647fff07add9ae75804c2b44c37c85e",
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    "signer": "0x7e2C8233D27DBd48c0f0420a1c278a887c4A6ADc",
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  }
}