{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb242f1309d6d39403efb48cb1bc99125c2eaea55990b37d89f23037a1e2ba1d1",
    "signature": "0x3cb440a47dea1af6dd983a59e806a5de881998ec362ddbc511d2e38847fc033121e478edadce02ded52c9b94af3a17367fbb749f85854844e7239b2a1b8a99a01b",
    "signer": "0x0e98522f263Dec994197b558C4ccff8aEeCd1Bce",
    "userId": "482293055"
  }
}