{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7ae025103a63b5c40de181746126ebf95143e5c79e43198958b3aed8495b86aa",
    "signature": "0x49d0b1978b13d679074bf3e43c71b06e08ceda3fac4ab2ae3d01391e334992d512be15bf273e4a11b65a8486f64959a9127ba180935a9737c8aaee16f0bdca741c",
    "signer": "0x5E9e335B926f13fCfB757dd03233B4f682DDb6d8",
    "userId": "499867732"
  }
}