Transaction not yet indexed

21NbMHKBsTAaNeTtVi1bSLBvqjk6UHMWytDnQAgZ3u7cST4s2Wgguc29Mozr76XKUPPnToWeMvUqqnioQ6x4B44C

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