{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44119",
    "entityType": "User",
    "nonce": "0xf0c7c9c31c48def9480dbb9b1ce62b6a955d440f9240d537d1f99b8c55d9783b",
    "signature": "0x0a99b4fab8ad928bdf82c74f0a05d65f4c70f0695c691789b4357b9950abdf031c6f891a267be1bba5ccf42d24abf8cabebd7a31d56643d04b0eca7f14dd19f11b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}