{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x2d2e634bdcba40413eac8c59af26e46aa982ae812178761154173fe32b0814e7",
    "signature": "0x7d621d327c020e7c2318e0b4aa044ae901854d1aed84a9ed3e3e47c8efee84f02864f7a9a4a5310493ac2f0c828d5771837b7161c005a9062551de3a8fc870311c",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}