{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x318033a30a1da31c75a5f0397ac67b72d2460fb0ad86a9e0a4e72b3d19e66396",
    "signature": "0x1e146c533010a8dadf0aeb0df17a853580a2ef0117f7b71987a2b5ccfa0446191421c63fd7908113108b3b4f3a3377cefeb033e312ba61f9105b35a7b156e9f21b",
    "signer": "0xEE129C7acD6301298b4387624eD4cD4E244cd628",
    "userId": "927286620"
  }
}