{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x9ed3d06f92ded69610f216e0f58a394b8e7578742ee80ed2596c9ddd63c95c9a",
    "signature": "0x562fb1d8336145cf109625b9b1f202ef5a249c0f0d83f3aab233be7a24a458d559c9fc17e311d3c8cd6719b37b22827cf4fcff48cf802e679706d568257a35fa1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}