Transaction not yet indexed

21YN516iU9M6iSqyGE5AcrCeXimfVE2PLd5RPAPcxKNHiJWW9VykeJ28jUY5Umo8ZfNaHedmEe4jX9EzXXA3vxyS

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