Transaction not yet indexed

AN21rEC9NSRWXVPdGP2yGCdszBswR9EBSk6NTEuFJE2bqYXiR7nQJ2VVYcayrB5GdnTFDNsLhmEZY2D425cSKms

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