{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x17c8033bab77d506cda94f227479dd24de88e092e656f227cddb7597b5df1c98",
    "signature": "0xf2a99d4a7b264d63b47df299ee21e2470e8d07e58f977684a1f010ab59f1a0e355175875738e6594a26f37947565d9fb994c99e176e646d7615726bd917a32811c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}