Transaction not yet indexed

2u21pUN7zBcv1UZDXD5MC7JxRtqS9iG9obhu8DHSQrAoArdYTPCaCJbzGdmVBZcGCQ3Lf4Sixg4eFKmcPC76Um8x

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