{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29070",
    "entityType": "User",
    "nonce": "0xa74fc4cc90e347f4366c292027218086baa9a7d52aa7822599f5002dc7b5c533",
    "signature": "0x9c4c7519250afd53f69ed88d3e54b5b9ff4bbe39633b3065588e4ce0ed9b75166c440e53088f914a1ea6a78d0ce23e728881ffbdeba3fd2dec0cd1f332fc48e11b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}