{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "336467",
    "entityType": "User",
    "nonce": "0x03049865dc2462d6f2e5d72ebc48ffda605262c435df7ee052e80501570bebbf",
    "signature": "0x091aca647c5dcbef961b4f95e202ea83f1607c4daffc67c54fe07dd01fb6c5346de53f0538e2434400983ae669974b2f42fad282c1b4b31d6febdd9a2d022b651c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}