{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634795661",
    "entityType": "User",
    "nonce": "0x1771a58bc6b795695758646cba97c782de25665479e119f1629bf6041af707fc",
    "signature": "0xb96d93269a55f43a912940f723b3244b3df2591a30fa09809c3b072d22fc61711e831e87c4a52b50bcec71c5bea881b06693d0b85c5be180a03525cc8f24e2271c",
    "signer": "0xa6030211678990225Ac0a6a2862549d825e7A039",
    "userId": "543439291"
  }
}