Transaction not yet indexed

HEKYgTdSxudUCE5ULRZSmVMv5r3dcDtk8nSqMVPa8BLyiT7XdCP3wFdgq1CoJibWi1zrbmyvhAdf4n1BrDC6Tva

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