{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0x074fd60ff8654fb175e23d576c9efd70f0e35a1a83f69d2a4846f838538d3db1",
    "signature": "0xcec0fbcf99aec6bab5376024a7acfa5e2f17ee14a33bb51fd051cf931cc58eb61fbf4b4a1e335a9cb675344ccd954f0fd70a78d957235d86e1547c7d8ba6dd071b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}