{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "674466799",
    "entityType": "User",
    "nonce": "0xe6b197584f9631d21393917f79cb930f83667d08c365a45c58603f4500fe29f3",
    "signature": "0x69ccddcf1cd8f539f8f2525df1ed9580bba0d6a045a44c1692796fcaebee86e35adff7989379dad510fa4e0eab2e2da95fe1f8690f7ffa15e813c4fdc069dce31c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}