{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188956",
    "entityType": "User",
    "nonce": "0x89f3fa49d860356c7b91ddadd4eb48ac6f6b8c3fd8e8d992af4ec31b22a99fed",
    "signature": "0x8252fe22c2d524ae5e5a96bb9b82447e2f04a85c13527ca9270fc073c71c6ab354d91f738a5334094215c5fe4a4bbec1be9249aaa6bc813d708078c40762428a1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}