{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240288",
    "entityType": "User",
    "nonce": "0x189ac1aefefe4ce7861abd648ed7ab6ff282782621e811f504d152be97b8bfc0",
    "signature": "0x63418457fa230654d93f03615c953f275c09fbd176ca027916755a6ae1776678579228806d1f0bc7e9d6bc2c6965b5e7e9369d9e4b32ac35cb4ca971d75856ba1b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}