{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x026d148cc251d1258af4dc2fc9fcef8305457c32684095e7b5fe08e9c43fccfa",
    "signature": "0xe79e8dda305c0388b6303411e48f154a1dd6bc0d04676761cf0750216fb9ef43214f66f701211188d04944e8ce143c2c15c9267b9a4f8ac378c7cbd74c3e84731b",
    "signer": "0xb2B3D446C5A606ee5B3e74e77EE3c96634De4a27",
    "userId": "399675354"
  }
}