{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc3bf5ba42be8e6a90d333baaf207c86318a1ca5708dd534c66cdfb3f06637eb2",
    "signature": "0x20c73c113342d28334e7e85303895039f0f0deaf78d121c0086774972cb0ee5b7a04b34b8196cc344b9bd69eceaabde9d0762f25f0bb9a10648fc9010003557f1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}