Transaction not yet indexed

21uffPkzwucRGFLP9mbKgdyTNmgsjSfmmvVexHZFf2mMDPgpdMXkFEmUi9WGNE19CD5nnTjRNnZLq3AXGcN1aVep

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