{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1088310",
    "entityType": "User",
    "nonce": "0xf15abc73d53ffd356de56568517cd1ba755ae318491e2b90396089761233a4f6",
    "signature": "0x6419607fe7bd3f01b3d4c6b3480993b556fe4d116d9fba8ae6cce6fd232399ba3b8013e7fc7e9fb246951d829cbbf814a3bccc049281bb80041000b8b497e3ff1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}