Transaction not yet indexed

621ngh7PEY3fKExhsFNfHg9H1dnEcLTFiKP9LkXvViDvee7hTXwxf3LG3MTJYkmfAXsPcjHRgBXbLaJLUfqYa28o

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.