{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77608",
    "entityType": "User",
    "nonce": "0x9c091e2b784a5c17bd22237d9f00dee9f8680533345af7a2b8f3b91b3d1eb1ed",
    "signature": "0x3648821ef0ef517465b6f64ae8185ede83c0ed0f8b5b7b8e63ba44ff797ebbc26bd3c2ae023160e9424e7001af171febcfab9b8c6c7cb25ffe819d46c99af3b11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}