{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "565684571",
    "entityType": "User",
    "nonce": "0xf026baecb422c2f18d130f277c3c4862e40f73e60a00689e32fcb458f5588895",
    "signature": "0xafb5a03ffe3b46d1fb9e8da1d551a02d44606ee2c995b33d1648d3f34666b9cd0f275ea9047b7369a59af7d9f66c7fe6e84a7f94e233e277bb42b46ee64ea16c1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}