{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x91a780271001e260e5719d3c4152ed50c60137673e94f998a4889f4cea113023",
    "signature": "0x3ecb7138ae966510c1783dc2fd8e2adbf6e8b16fa5012b0c6c528fe8da71d9be4e663bf4bf55fca9841223e73f542c2652070c31d3c90bec1be1c02de3b4b8601b",
    "signer": "0x5a46Af34c77870cb99c297df4BBa09661f3A287b",
    "userId": "853751261"
  }
}