Transaction not yet indexed

21aiAPfWkaQpdUj261mwgqE2ooSSVKK8o2cHpiP9snKfH5WFCcWmffLjGFjsqnPFQA5zvL3MsTgAHjjiNB8gyg9f

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