Transaction not yet indexed

YUn9r3ktMC2SQ916SMKrtsxc7jnqTtPcCuQwEZjsa8phwqbGcRiptGhww3Mrf3ZLd4rqrPrUzhBVBH83D5ZWEn1

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