{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42607",
    "entityType": "User",
    "nonce": "0xaf98a49a6773839c6f8bafc296f7d95f83aef2c2d95247ee107740341fee0a10",
    "signature": "0x10097b0596bccc50a715d569abfedce81b55a955841495b090d81cc442dc2c856fd4074edda980b9b33e193f278c111966a8fe2919abadbd7b72dc7f2c9ceb381c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}