{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4f09a62f41155ea39ae4be400103463a3fee18de17fdae6d5a2af0fc9986e224",
    "signature": "0x07979555c2e62251ec187bb3c59b8445a9583f62a99df1308a83dec73a212ecd3dbafd3055dbf2d14857d0dcb8ab8aa8bbf2be02bb8b395f0ef1c47f1615cf671b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}