{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0xbdba40cf095a672548219d85ac72ecf4967f2bfbfc235ecbb8044b3225a9c1a9",
    "signature": "0xb08a78cf9deec6fa378aa53e05b602e0f6dbadfd62f89e171398db26481970bc0d166379bf0a5d9ceccf8ebeea331fb77e9f38a5f10d30940d1731bea01a975f1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}