{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5824",
    "entityType": "User",
    "nonce": "0x60f412bc934ca458b78f569b5c4ad829d383b8702113d9f8e10b3b043da4498c",
    "signature": "0xba2413ca0aa82da40192bb68c11c3ef281b2487841c0a3c21fc45ed4ad6b3ec9367954cb36caa4df94e3a37c4b2f3df31363c067bf81193142b637b6a9fbad751c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}