{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x13dfbd6499df8f0d65e7aa4342289a7e294de950234a2da823bc3dcf69b17653",
    "signature": "0x5ad26afd100af47ad0ffec4030f64f3b375ed1cd4c0dca47a7d6141f21ead6ff368b316058adb618d2d5947e39e261541b5499ad24ed4e5d591b1f767e7e18fa1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}