{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa0327015c9bbd7e15ead19feb133436ecc97384b759f32b6ad3859dc7ba637a",
    "signature": "0x08f5ff8bc23f4bb4cfbfb0f47b05759f512145cf364c226e7e5a4164a9254ba551e6bf89d2677ad0dcfa8fe133574c1c73228f6ffc53cfe5c89816e7f39d7c671c",
    "signer": "0xc40850178B74672DD809330aE4477a7Dc40Cda7B",
    "userId": "93814449"
  }
}