{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5fe302f2213bf61520a725db91e2433105cb70b203a9f73a355005694450b245",
    "signature": "0xf3eb100c446c9552da1f166d7b62d9458e85b473e44e94203d7fe849f100c57a7694ee9a264174d11f7abdd98c81ebbbf0fb53a467855e90834004482056b9da1c",
    "signer": "0x02135C77264E082Cb432068814F9338521e5aea0",
    "userId": "986848235"
  }
}