{
  "manageEntity": {
    "action": "Repost",
    "entityId": "690295",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54b72191ebcadd857834be5bcc8a3c0bdbedb2a42976542d799a18b1ea075ecd",
    "signature": "0xaab5c4237d07ffb8bc59e42273cc19433461b7f6f9251205294aa9c2cf8e4a2f2722161f052c19d9e8d1a6cfa9ed9af7ab83d8e84ca095995d34e89fb48c2bed1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}