{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xe5d41d86e2c4d0e3fc85182a68a6f1a064b0dcc8acbd3bce660f91959a0bf484",
    "signature": "0x59ffa4c7a914a6790b82911104f9b31e90837ae5eb60055abc45ed9e99de52b14024f2282ca0c8b85c7a0d79f8a08a9b9942e9580f4cb900d1105ab7e467de5a1b",
    "signer": "0x03d71c9f46521125eFC55E05f673bfb2246FEc09",
    "userId": "26938020"
  }
}