{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991821949",
    "entityType": "User",
    "nonce": "0x2c43be544c2d82952065f6d431c93674cc57eb580810a13fd20fdc33e0cca9e9",
    "signature": "0x92072cffb51ed6179352a93c8b7c6891c282c29fbb37ae81fd5174dd3a1db130726a5980606e234f984d70dbd9122f5750bccc1e436c2f42a62bcd69d3790e1e1c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}