{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7198",
    "entityType": "User",
    "nonce": "0x729f06333e97052d2d71103a819011be736d33bf201855f53ea738abc3425308",
    "signature": "0x95278e1680b2dce26f8cc9809c518411f42af577fa44d018acf09ad41a126a8957cb2a02f6418e4755a1b1f390a400fbf954aba33680f57fedd62a14689db08c1b",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}