{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa89a3dff72ae0fd9fa56b66e508f2813adbce3b69f93b883e90f75f767ce6d8d",
    "signature": "0x46c1827ed11c10b84b50353ce3b401232eb37a86907ec2b7f912adee300be39e4f46659de93e34e65ae1b40492293e96440d017e03ef95f3a51add2fff5dc4811b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}