{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0xf31ec75ac57da70dc4273d18f59edda0439f1490e8d6cc2eec1e2cbf400fd332",
    "signature": "0x1c1fb05c7019a3a79de6ba0774bba3664bcc6991f3679b054ef60b5c79d130601f4003167bb6f5f8f50727d57461ec13f41d21c27692a19c788e4cd654123a701c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}