{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xa4ad1b3534108992e3cb6d8775d8aa93fa173cecc8126cf7b3b00f607e95df84",
    "signature": "0xb9bc775b4b5ba9a29398d5f2c311a28295b1358b52d41e38f027f31cc217ffff56214c26335db0fb2f3099029f6db8a06f8ab5803a499688a999bb0306f9e40b1b",
    "signer": "0xf1b266FaB316100908263c082e562a5B847A0384",
    "userId": "575269234"
  }
}