Transaction not yet indexed

mt6FM9kndCwH2DnoSiUQLEGsA8EfgiCQTn1hLwT2bWi5yvgQZNExqW6mKYPSkpoXC8TB9Dx9uRTfvbJpHRLN5C5

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