Transaction not yet indexed

21C6ErHpzSDZkmnFMjhM193p5zZ7DgiYdDXeuWp77w1XwZsYoX2BSPmQAbYav31VTR4UXUHp98EgkYz5JSbwfNWu

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