{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925049268",
    "entityType": "User",
    "nonce": "0x748b9070430ff81712a29d87f36b419d31435f8414fef589b2cccf5b72f1a029",
    "signature": "0xe014ee428b812df94fa220f80d1bb9bdee39a4b1bce2948c9cefa4594eed855b7e50883e894e4a400d0bef863aa0433563764d23768080352c6615c91adeea241b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}