{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "908879704",
    "entityType": "User",
    "nonce": "0x08f107abc3102b6daa562b93a2ade4ebc076f1782365694c92e89b8c8a1f79fc",
    "signature": "0x2405cea2d6ffce42e722bf11cfc57d343c11e191f7bd6eaa6de5a7dda5eed99507285a69030936d2b99aca27bc90c15a7450992546bcd81f4f78851aef8a16e81b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}