{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81226",
    "entityType": "User",
    "nonce": "0x6512492ba334940b35b98788a3372db7fc1851a507326515d14e8d8b15199a32",
    "signature": "0x520cdbf6e0b0cb2f43614c26729fdf4444ace428f574b8faf2d28782827c1dcc60d6b850f6a04a217b07fee8d3e5107c8ac4ae365b14cef268aa874e2f8772fc1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}