{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831499615",
    "entityType": "User",
    "nonce": "0x09a02144dd511490823bceaa5db0a900f2777e4af5c3048b78a701c7a6c611f1",
    "signature": "0x14f8a379e327ab9b685856371c003c0e28d906c69872b86c3c928e64013390e134d26a9dd0955e5cb3433d06ed8820a459a8551c86705f577bbcee34a39a7e8b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}