Transaction not yet indexed

Yx99pEFBXJexc4j4uKpKWFX9YFqo22MmDdNbcVftmE4fcc8fGraMPcGfD3u1jKZW6Qnq2JJZ9Cd4Nidfgvn3Wc8

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