{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89433",
    "entityType": "User",
    "nonce": "0xf0d52c06d1fa3fb4298527a35d841b7629695280b2cfd83b4822df42ca73b468",
    "signature": "0x02cde0729c1d8c6fc251c1886833e87b070148c8f0fda6781c71343d9277931666bafa85d988c6922d3004bbfe507d5cf8c7560960a6692e2e49cc566c0601481c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}