{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xaff7ec449cf5a02dedc0b845651551564fc7a5ff00749d792a1324b99a3bec57",
    "signature": "0xd6f12d4736075f414d221e41ea51454b4ebbcb2184239750aa41b33ee87eaa6a3bcdfe39b2110e5f83b38ca2133ece95f9ec53dcd0d0d35c8809bd180bdccf841c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}