{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139146722",
    "entityType": "User",
    "nonce": "0x57abf1dd963d3e87e50a2e17473f2053296f757e20e94bcd795952b8626bcc14",
    "signature": "0x4813e7aade8aaf597e190c43498ce5613db5edc50432d9e84902b83fecd2eaf0237474ab1526c32d22061d95db54f90848dc1f49374d441ed930348eb1c2d7f31c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}