Transaction not yet indexed

21LES88nAtGPWuNGRpu5Kemy3ptaoUSVSjMuNvVEG3Zx6YUDehU5hjswHeiGmV59b2gyyFuxGPaMMGLF7JUMpiM7

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