Transaction not yet indexed

21c9aTRf2NbFfkaNNDCmHeXWkAHfHRYaMnEq3RCXFLxueYmuvQR67Sd6BSh1FtKSVMfzQEGSZ7TTKcxC7FLSN6h7

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