{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x3891d6119432cb5739774754ab13d69a7d85374d7ad59ad1a8540df532a62f40",
    "signature": "0xf1acc6d8265912a9f3821594b1b035ae1def8da61d65a44f7d4d77ffd969e6d408ff3c343765003f16f7e5188c40520b7f21b2691d19a4253c535659c7503ac01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}