{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xeca475e6c280c1d095f128d79b47aa0a18dee3112017a53054a53afc47ab2434",
    "signature": "0x913a323cdf8f8c6e0cc034666ff073524dc04c2e33ddcc1458fa519474f197c306aa4c864380ace8060c2ddfb0af2129cedfd2d9236e54ae4d52b35d72e0b8c41b",
    "signer": "0x1CA73A838CfC398A778B038c5889EEC3329093e7",
    "userId": "469555089"
  }
}