{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6245",
    "entityType": "User",
    "nonce": "0x4df81679f520651aa5460f41d624f197ca83ddfb7f05ab2b319d497dc0d95962",
    "signature": "0x50e9c5b8c02cffe2c59bd4b729cc646977db37f811bed9149e2d1abd8d8cb0b00a44adf8f51856048b07a05facaa0806b643864164ef77c471683d1b0896c7441b",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}