{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x34fe74efa21fd7f4ca6e23caff54d2afabffd32fb32d39d7b2d505375cb9827d",
    "signature": "0x8656f0b6286ea9afbdd2c16e398389835337fde615374ea9f9bee585211acfa535beb51143bab75b70e7689b5530703d8f4c33909cd3571ad1fbdfeb759f38ef1b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}