{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813014034",
    "entityType": "User",
    "nonce": "0xf07b33c624e2cfa800e1dc67f7fdc66318a62350812236c936c006ca1fd9ba81",
    "signature": "0xeec2c95c59ab5cbbf93eedd50d8d0693a145c3ed7d47574fd78c953e047315361d4dd2d5a69912c54675b21d853cdaecaad368a0ad5b413ee6c14633786ce4331c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}