{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328593349",
    "entityType": "User",
    "nonce": "0x10533a170ca70da5abea6544205e7ffec0fb6d02efcd0e840798ba3171b866b1",
    "signature": "0x002c6445ec162f4951b673bd3500a8daf10bb3513421592c1eaa737ceead303f2e4ff92a2da87c7cad9c7a6331582054a3bef4a9032d46e432e6bdd389cca7d41b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}