{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x82fe15a02212a21e3d3aed22f189d57fe8fe40e7d8112c5e75321e17ba811d72",
    "signature": "0xdccde2f240f63e7796d1cfb355179c7dce36c1321a69a2e2ba512ddc28b033146f782d8e448f0181dadca88e84b252ab5133c794f6bdaf39502c6044dd34f9bc1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}