{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x72fb18259c0e17e44922af7cfc45f543aeafd67e8d4520676b7ebae5d6ae91ad",
    "signature": "0xa96ed5af68dcc43f9552d042483f03a546e6a5592c31cc64c033151fe421017502c1c8cada54d93993066b23f44b4009ecfdd84b30a679998001243a87a3f4171b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}