{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144334",
    "entityType": "User",
    "nonce": "0x9eb4664b8f08f7d0bcbe739a369de00591bbf4015e7265db6580deb53fdc2f7f",
    "signature": "0x4e1b7970250faf142de93ba1d92ae0e3c8194bb31e031a6a2f5c9ebba7e1c6f94cba3fc50df01bd6ad3b7eb0c078bc0df84b3bbe727ed92a0f48268d670409751c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}