{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "287477042",
    "entityType": "User",
    "nonce": "0x207c331c11fd1b4362aab4dd707d08d25bd851de5ed279a8b4239bef0efdf70a",
    "signature": "0x6d85de202183e593c8d2b878aac1a79f98823f34d3204fe398e0bae6f0f0343770afe1693f266121769e6ae62ea7194187f691c6bfb1b66da886ed980fab802f1b",
    "signer": "0xAAB9cff3D43A1b095421916d4C7D864d657286c7",
    "userId": "435031315"
  }
}