Transaction not yet indexed

1256UeDLmaYL5ndncz3esEV1DkoGnoXPXUb6c3sc2wBEk2T6cuQNqc6o8PRPESd3zpsxR8MAP6vkLLkrp5MwoXw5

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