{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x877d61ad54d2a9c8ec8f00dab328272bae77ccd55bb4782bc9111afd820fe913",
    "signature": "0xb395683c73642acc49f2898b0990dc7a9be029ee966bdcc33539ee0d912549b4115f470ee96691153b7ef2fbfa1d3761b411517972681086d8e5c63114cf1bb81c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}