Transaction not yet indexed

HUm8C15it14ZXsKWFr6iXGFg97jssoaMg4FWZmSFqbb97Jbbc8ybBwMDTM1a5z7bq7aTbx6zHmv4sESBiBqrzuU

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