{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc65ed996d450d25703d4d28c832b1e52481eaf6cb329c143c470e4ee0ba70d4",
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    "signer": "0x011Fd9860d57d7b0D5D1DCBbD5EefF5f57676029",
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  }
}