{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x68b748261f1bdcc9250cec2454c92830a703a1e3f69974e2d16e5c192a74d1ff",
    "signature": "0xbaab61ebb95a17276bdee50d341723983e7022a191fff3b011b722b6638aebf2052a6db3e3ff63b89e9000f60bb49dc1fdf1aa3db8c33d2d2e792d57b3fe50b51b",
    "signer": "0x1e790323192cc7A6755829dBa7Fd3D0870FF3826",
    "userId": "921777960"
  }
}