{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x019edc3b771277daa024e88f903a9d12b2102973a0bdd28a39528bea622316d7",
    "signature": "0x53f29750de73e5d078a420647d19e4c8072d6cf6b4d9dd7a8654746a8e24e1574ed4da4ba6bc1268087e72bf83ba6d6adb214e9429dffec7fc095940f7c7a1641b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}