{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x2642fdb8eb5105ffa9efac9e2bad1a21fb0d0603120c0b7c0c702540f1039a22",
    "signature": "0x6fcbdc7b4cb759f9a8953d6aa9570d3520c6d04335ce8029202bd2e3d98123b157246d710c881a9bc53372906a1c2ac426465cb7d1bac58775f16c3a70998c5e1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}