{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xab9a6612ab15f453b7f3dcfddacbfd28cee668021e4a660f89f1b1a54fad589d",
    "signature": "0xaa9a889f80787ea4ed87732cd1f94caa1bcb4ecaf7491cbde89e1126d7f6326163097c245e53c20cb251857d626a674c6dde3ec69f315f03afaef222dfc26ac21c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}