Transaction not yet indexed

21Myb7t8vEvoaC7fmvygYQbbtRYnMVgmXtxbAJJN8keLkArgerFXtT7efWfdSpTrWfhFBnzhkEhuRoJveb91QF3A

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