{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x228f10086fe50828bc2939d206d4e645d38e1dcbe5600f62b1e74262d9387e2c",
    "signature": "0x6243397e6e6769db4e5e8f3054a57e363834d900164117456eb0cc316da01fb40e64bd1759c953b34d3fb0731f95dc16c7885305d7c00837fe72068fdcfde1cb1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}