{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584797029",
    "entityType": "User",
    "nonce": "0x7127b9eb61e6f3c7091ee402879ecc5a3182890a0341f74620974f574540ed76",
    "signature": "0x61fb5882816daa74ad8d470871cb396f02378149f416fe49730e7d14d754c5051e0b5f4d7abaeac3929b2f0d4a6831da4ae4a2a4958071c6f1702a8e9fbe0ab51c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}