{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69623",
    "entityType": "User",
    "nonce": "0x8726e74f30b76bdfd977ec967e42e9c586c336021bc3ab84d5e0c10c41a43c18",
    "signature": "0x16696036f99a9f2ad3fa1878b102b7e5700acd29e378d142f0bab83ce8757bae6b3791b30c65e6bd1f1227b0f18cfcfb78c43d8ed585e2d34f9fbc78245123241c",
    "signer": "0x9a9735A904C1a645809Ce28241a945c6B4dC1454",
    "userId": "261524"
  }
}