Transaction not yet indexed

HEtNbM74xcmTXUi7GpEj6sefqFqkwCzazWSbX4UUdRLrXnwRGUbZ5PfMfv5zSTBYnjkKA3D9UAU2iHPVgNaUE9u

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