{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "599112855",
    "entityType": "User",
    "nonce": "0xfc1f4ee33b79ac9fd151c124bd7206a5df12451fe329c261060bc2f9b751dd69",
    "signature": "0xb0e5cb24aaa345821355dd3d75a8dba0ca2c3d0fc9d97679c9d993df7720cd8c3e3a2861308657a74b8c341b8be66ef49db4b1a839d56ff4c44751a8e6adf1961b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}