{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0xc5708ada64f1b40d9fd15ac7b012116943f3855d99e01b8f11e0228bb72f49f3",
    "signature": "0x53904ce985cb83e073634bafd6f9fe821cb972a536045724db53d9868e6180ed7db64294c06f6733638acc166f3b3a8ac129282366f2d9e565e3cc9e37b0f7981b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}