{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155991716",
    "entityType": "User",
    "nonce": "0x9c3b83aa8f729a55fe7f918d68dfee78629efdc6b6fa6650a5a6c519eb30b399",
    "signature": "0x0337e2c45504d6369d301b65488123fead6643fe78be7ccbf8a5df4fdd908260725f9a1893d838ec4e2e4fbd9a43bf799660679fe51840e277b00ad88dc044541b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}