{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "645959388",
    "entityType": "User",
    "nonce": "0x095457fb8c0d0fee80506e138c6611c459351ab904e6de6dddbfea6e622942d7",
    "signature": "0xdabbdbabb5be5b59260b481c49f70a2b588e663063ae2dd39ccceb11ca243f6a2f313f2e51e1a79ade2e1846d673ce95a01b323565371f4cc5e21ddd996c40d21b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}