{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xbf8ac7d51d1ee06a32f5ff3e915286a57dc0d7d48885722ea8ced16a3879beef",
    "signature": "0x16908a13dee51f2459f26e3171e2c6b4baecc1b2acb90958c1b239e88ddd211475aefe2f814703cf2b2f30f715591ad8a6812ed3102acb47337424c21caa29e71c",
    "signer": "0xCa890ba09b096164ab040247D3eb511DD5cC5f51",
    "userId": "489821062"
  }
}