Transaction not yet indexed

21i5YoPfqx9ADEGRUddQwvkgoCjSM3EhVrMyKwnvdo7GP9QTyyRdnCuP6gbktVVvmrTbk3oYULjvW9qRHxG7i53S

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