{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0xd69750df44f68b48e8888c450e766d527a6a8eaa3dbc21ccc9246a56617d31f4",
    "signature": "0x09b2511fcd2604e8878aa2bb9737c180ecee328c1385a13f49aa84d56a53972e28da0a0389cc51a5f76784a5866abc4c0a3004de279c840b2c97fecc7f31cf1e1c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}