Transaction not yet indexed

21FkUnGCa8bMsks4x4zVR5aJjeui2ZzVAbe3z3iFUT4QTgo2au2fvsJiUjKHrJ9ApUBZQnuyNvCwZBuFTd5xrjVn

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