{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x62b1fdba275587a3e7df64750c2048fdaf348e98a16a2e468b2b585cb27930f2",
    "signature": "0xc2cbd2784b763258713376e90db1011720d6d6731f022c98bbedb8e90ddcf9bf1604251c16786c84d438c182361cafbb729b80006369c17442158dcb8e180cfe1c",
    "signer": "0x2AAADB606C920aFAa8a8065e070Dd0D5B1080422",
    "userId": "963024726"
  }
}