{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5589acd047603e6260cfb892fba1982594cdc2242bb661cf193c92577897a0bd",
    "signature": "0xdf14d80826831d2a350bafb6ad41f59a6cf51b6129fea582d38e5ff24d018a691f739747bc6d633c746fa32c39c903929a03c8ec032c6e1a8f33e2621bb8ebec1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}