Transaction not yet indexed

Y21Cx9aJhaJAofUGQfG2sMZmWwBugFQbbLWVxmT2r5wM4NbZsDh4bxudbbaXm4s4V25RRnE8pAssmFu3GAQ3hdf

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