{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176556",
    "entityType": "User",
    "nonce": "0x6b54bec4cb1200f12a3019838f771c57e1932933223c6cf54b0b696a7299d6e9",
    "signature": "0x247ad6514efa58f2955f52f460a1bbbe080ac9a270c3c2b521f56425ffa74de45c12533d26ea5e73f49a020efcfef6a7f743ad109f6169dc240f95d8b8573b861b",
    "signer": "0x333749BFeA072E00a35201fA01481660Ac3Ed5F3",
    "userId": "558937546"
  }
}