Transaction not yet indexed

5UBRk6RnWGstr4LkWFoWVhL521fcN6jYQcyHMLFr6b4mPUU5tCwu12huR7tBAQC9VxEcmTj7d6NfHocPJsaZBU15

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