Transaction not yet indexed

21UMWstnDWXHYksKsgFYaNuuRgDZDFFjXooEwtjhujZJcgQ4Tuu3Ru7g142XLimwtVT5JQRf4D7E9WEAmJURJkWY

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