{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd2bddec0afe07f8172b7ea2a8352d6b69d0e783491fb5ac9794bc52e065c958e",
    "signature": "0x428e9b5c1291fbdf266ef606869865ba6ab1a922ec0a645addc6df24352cd9c8151923f5134d70c59401432916b150cdee415e0e570dd30d0a2d940fb24b63311c",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}