Transaction not yet indexed

2U921gtPXy8JD1ZtVkjkziHE4VbFzK1EDvCQByCsdg6GNTxUJbbkdbW15iuvJwUWJu4qjuUbzGNQ9ApUzsRPhios

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