{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543722454",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4cc86015cea0c583de865b2086cdbbaf9ae11e54c2f363e3528d21f0ea04748",
    "signature": "0xb091346c44f7efe70cfeb3dcb046a1dbba5d03bacffbaeefe694cf64f0e35f417c0812c32b1201278d59c117630cb39b5c1d299c1a579aca4bd091aba9f963ab1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}