{
  "manageEntity": {
    "action": "Save",
    "entityId": "884000695",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x51cbfa2c2b36a2b23a261aa6370b279f6f676359ed5cd0938a79490b5a4f6a9f",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
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  }
}