{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279",
    "entityType": "User",
    "nonce": "0xffb8fb393463cbb6720b311e4b3b7adb173c6dfcd54f0d3f8ca186559a573a49",
    "signature": "0xc1c593f6198463017c144c9c9d8717cd58847468a56ac480b8d4f5ba0c09469d251f1d63181aa4d28a6a941294b2d030001d8711f57e9c4ff4d5a26abcc328701c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}