{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61055",
    "entityType": "User",
    "nonce": "0xbd821b75bae72b39fb817ec65ccd99bfd65863adeebfd64c95cb2a49b7ae8cb9",
    "signature": "0xbbbca19324e0cc128237cf39112b0f73cdd0f6769e04c5b6319e7fbedb80c8e44ba9c4cff90ddec4174c27e8e8746fe3358f6bf2190e4943af70d681152c660b1b",
    "signer": "0xa2ecEAAb74B2f9a94c5C470449fd6E64c121cB7F",
    "userId": "743206207"
  }
}