{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x4bff5496dd3e759daff6f35e919e7863a2f8d0d6bef628693b302f1221068b1c",
    "signature": "0xc2d6f3c9601808919271d2d84b395e1579bef25b40f2940afd8ff41dbf82100a3eebecc7ecd5e665d1a5c8308a3100f26be1821ebf2bb0b5a6b831877104b2b41c",
    "signer": "0x1523dBDd49A653271BD1F378eF3fc77B20b4f2C1",
    "userId": "315268152"
  }
}