{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1472789",
    "entityType": "User",
    "nonce": "0x56bfed5a622c8612c3544f468abbdec855185c7418a2775626980f1410288dd1",
    "signature": "0x760780baa090247216ac69be9c73cb253a2bcdf2ef3525f3a8baffd4f180440b7fb73dc99525ba16925c22c90c51ae0f006eb68dfffc60f34998329493a056e91b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}