{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x43dc0a67bee15db7563eaf47088dfc00e33e0fb3f0f4e4047e159f2c7562be08",
    "signature": "0x31735dc9f24b385ff965711876c41eac0cfbaa2c37563e25cb2fe23573f57d0972283c402a4de5d339f17a817f0ae603992bddebf8e202bf14621a7c409ec5601b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}