Transaction not yet indexed

21F5PdFnYydkhTPYaFb9e5JoRYi4dwPiwEYSXNPB1F6pCqKSTFNPKP6SzaJmHpbMgChnug7TUxUFmgZdQ1ApvpK2

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