{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0xb57146d26be600738d74051238c380dc933516d160465a5a283d9176cc298d2f",
    "signature": "0x2dc0b211695d1f1479d8e6e58b7852c3c8a4a0ea0f0b281acbb1997b27f08e045a3e71e38c1d2f975624c54a2c083918dab326c15b080c4dfc989c5a0056ebbb1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}