Transaction not yet indexed

263XLMK1nR3vnXBRCLvTpgHP4Dvd69jVYXPMpK9STkhXkT3tQhkJaHXVsaGY5TGj7QkjpTZ8UPJ7TxmvWrAMPGNN

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