Transaction not yet indexed

21MgTPnZ283usiDMfmypVRP7e1X2eN3Fh2LaNqUuSVb2pMvqfGLmtmtPGdzwX61QLjcJmdff7ZLCU8ZDmpJuuEeR

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