Transaction not yet indexed

5z21hLCAVm7GShLSWbHofhUEuy2DQHVGJ9NBHFkPBd9gnMp3BraDMVmhGLnTkV2gLAjspNoD2FRcVoAdMGUMzjQg

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