{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x45031850013a6d658947a6a692448d1992ed9a57ef2058a97484c29a491a79f6",
    "signature": "0x56f0ce8b5193ed5102f758dcf3f9f0bb3580427c36d3d7e6a3a25df19c9003de36a5e301471f19021f0dd788e6998fc10ba1bc4d298d7c73ebc3c94832868c281c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}