{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x753e8833c99f41e9fa5dbe5e9b1484f4c1a5ef053f997299af89360fa944e4da",
    "signature": "0x949ba688277d81adfcb4384c677f865d7e8c9e322c264bab3d03218e4c7151024e418f63ff2ee75c6393f3bc9599fe5e20bb219962f9209c429662d14f25d7911c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}