{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xea6935853c3683b39a8c213e7c4373290fea5ce824337674a630739a36f84e10",
    "signature": "0x4e10eb5c97b4aa9734b74585226d672a830c1fe3aa216825893b778b2b1e93f11c059c9533e8c511c8ea554cb789f053c43306ff415329ce6d200b2b1b4f393b1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}