{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490991",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f2cec74c9470d1cece4ae79f9aebd74ffc0a863aaec89aeb2fc70fa0c6aa236",
    "signature": "0x5a23dc8b39da0671c7f36e934ce32ebecc29c9dabacdf430a374a134a4c6bd0974c83f3f0ed5c04cf45dd2d50c19bbdc5dfe8cd74668f7526c7d45e9cef24aef1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}