Transaction not yet indexed

21icmCfWZwUTEFhM6sUWQmMrdXMLAbASdVgUg5BDiZv4Mx1z6yZLAP3N1ampvsHBk9V4vTcVJPdA6TqghszjPwhs

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