{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117649",
    "entityType": "User",
    "nonce": "0xd581ffcac2dc8ed2f951cd13f2b30770faf0e217e33ffa010ab57097a6a10381",
    "signature": "0xe50c3e8aba7d23f8edfc2ac551c94d140e10fa09bb54a2d37db3e7bcfb02e70e05347da5e5f64d7df12fd20a227557a17a359ed83334512f2c3633bda8a97c391b",
    "signer": "0x9966bAfaA4A36a3387F768461b93eC9a76CC2A36",
    "userId": "213646230"
  }
}