{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9e9f572c27b28c65005f1696965f3116ec77f3d76d7d5e364271cb29684f3343",
    "signature": "0x4c864c1734c7e428213f25cf7c46e20824b5eeccfe0103ffc8274fe6450727e90a0584b5c78be574d99d879d008cccb0125e2a60d5e603e7bfc8cc590b33c9ec1b",
    "signer": "0x88B2f6C9f9D7E2B1115283bfFb346a67AAFb13dB",
    "userId": "230882769"
  }
}