{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3ca7bf5acc612b3ba2c9fb1bf6b1911a7b3a910b5218825243e87a03b4266eda",
    "signature": "0x855ea6219a5c1984f5448594044000cc4ec2d6f7515f15c56f7d51dba56b91706ff970236e18256c7322b52c9df8a04ec936219134f477550c688e051be891861c",
    "signer": "0x2C82d50A28cad054279eDA638bfcBb4b364a68C0",
    "userId": "925328144"
  }
}