{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326088",
    "entityType": "User",
    "nonce": "0xb64559de8b7570078056360a51d976ba360da7b259c2925ba88f924c5ba25dbe",
    "signature": "0x050298485bdf6b5cd89fcd8f7411ff1546b9286c28c2f25d77a8e4ffe462e5c73e49197fc11ac8acf8f56348516c6f753b9c0fc2e72cad2f0d57e33c3809a8861b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}