{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241529",
    "entityType": "User",
    "nonce": "0x8b98121a3e52945b4a611c48e8332c86413033ae21828b43cd9eb8e18b7740d7",
    "signature": "0x37852c78300415ae666fa38cf41185bc7caa76e156269054cb0b9eb9ec27e2af22ef9ae6f2d97e87210cfbeb26b8fe1433092622d732babb7dd9c82e8febfab51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}