{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175162",
    "entityType": "User",
    "nonce": "0x21a018bfa927c0d123242fad1eace62129ebdeee55f62d87c0b9d018f1a29f6b",
    "signature": "0x4b884116033aba4fb1c4a59bc52b934b162292c6d1daa893d2066b99c5799d7a5381ef03727e54b1d26419e0a336f2e6df05c58f72c1f0fcac9986b18b9d809f1c",
    "signer": "0xE7a9E33DeC9Adf8605A88750C979e41f6fdAba53",
    "userId": "722055746"
  }
}