Transaction not yet indexed

21U4kT1aAjniGZrqxUcFuYfMFVgCQQ5zCSKjjdty9vAXNeJ7h1GmDuhnsGRq99qay7bnVDcqa2f57VyPbr8x48a7

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