{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65547",
    "entityType": "User",
    "nonce": "0x66817279495a38454ea3add9c8170816e57f9caa0acb2efbac50635362f62cb6",
    "signature": "0x0b3f582499ac646473bf84c94a370a6a2a6fd5cbe68b47a1a65b2b7f01cb32981badef1e223604a8a3cb53c6801dd3bf0f77d00a5ac917c8a996e94e18e915631c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}