{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x07f2559bdec7a1325ab818311eb490d29a6543f20be6def3ac3c904e2356acac",
    "signature": "0x628928ef75ac1597702cc187d1e2e7062d3d161ba435e1cf1e840649233b9a321b1700fe7697d1b3040f3550fec8ec1169e6e2a8767aeab053ca46b370e043531b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}