{
  "manageEntity": {
    "action": "Save",
    "entityId": "1459873244",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3d3496c8162fdc2870f42c37654a7c227d10edfafb235cce8b14793d96bc4336",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
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  }
}