{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2abfdeb9600e7db30f252771fc2d55321db944e086ae7335a10bb7f4e6778ac0",
    "signature": "0xc9f297afeb825bb4dbbf98eb05242eecbc7a31afd0f59d5bf96c8d7a1cd1640c53272684d4092cceae70c3ae84d7c36c1372aea8b3f8bb017bb10cc9fcf877751b",
    "signer": "0xE171De63f1F84b0f4C5662B6a78aA75a47c5292F",
    "userId": "741316550"
  }
}