{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0x6a67b157929950118fddf3a5803b99b798e346181a9589edd1d8862335f7b2de",
    "signature": "0x0e3678d4accf6c17bdf7401e5659011437ac9bd71fad2c07bc19d160dc4247ef603e004093bfab2eea5c76441e4183f3e177c6e01b405b005f09fe40a0e3ba731c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}