{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x58fc4d9f8f6fa4aceae5761bfda870cf6ac1a28e3d8ac19320dca135d3e90c65",
    "signature": "0x501a1bfcdc5916dbf990fb942bce6c17ba91147122b35a5997a7575a901c9ebb4fb3397a217a1dfba1f4d6b9ae6c44efb31029a6e1278e6d6f444bcc52d3f6ba1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}