{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x74bfd43a2c0f40030e5290cc45357f59744bdd2065d388ec8cf4058601f24312",
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    "signer": "0xbDC8730Cc87A53E5Fab78bFB7d53910f0B788A24",
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  }
}