{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x813fb27d8837a622f72b772fba530121388df0c56f14a349cac0b72aa738ec2e",
    "signature": "0x34af3e9da962490270d26c1ab37a97093f80dfb7dc52348814d3f3de7edaf4a04949ffcb8b2f0e21e208cb1dd5c5e30001b304e0239979b72fb12f5dcc147a7d1c",
    "signer": "0x14A55CAAD52a18f76025A94865ce06ED8A0Ea2cC",
    "userId": "653598798"
  }
}