Transaction not yet indexed

RC5Un3wxL6u1dCS3gV2xAxTCSfsn8MNpDBNb7gkmRsCGiMNnqvAitrnyLDn4rMh8RLYn1QbSg2UbBL2mVZ84waG

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