{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254303",
    "entityType": "User",
    "nonce": "0xbbf948c85222be6c2f240585dee761b6d6d04e7c7c24b502a1f7bd31b9eafd98",
    "signature": "0x39cad301fdf3136d5e643b9d449736c83f795a7b21ad9a397bc0b6c39768a408228da0674bb3a894b4f8ee9f6064a437093416fe3ff9ae527a369634676d27c21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}