{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdb96b12060a3b5aacde8d324d07534af314d159aed7daa81917b7768b21a3f9d",
    "signature": "0x2bc3172a3f603fe7bbe0591e3abb36f52f82d5a95375f2edb41a78107d4748a018812b16ea035d7b9922395f45c1765be8afdf105c35928eabd1e2ac19aea7d11c",
    "signer": "0x6164d22C5753c6E9f1ec157dDef5A3C606E2f10D",
    "userId": "534038283"
  }
}