Transaction not yet indexed

yyRfCSVx47xer3YW2P2TFe7ZFJWbRVTqS7y19y1n34NPD5zU345p7aLbMimrtQwLsjUfpUFKg7iZXRUV6zCBut6

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