Transaction not yet indexed

1Sp43BiT2pKpXVLTG7dMUbeCb5xq7FSQ4NA9yYfaydHoPiYSzVM3rVsXQx2M7Q3X8AGodw6jG7VKsRhfmnButm6

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