Transaction not yet indexed

21LKuVUE6iCGFaLwE3GbSDDBB1Wd1dM64Q2m9vdKqBsnBhxx1gDq9eA9zikMzwHmuPH8JTiXVqZbS8CeTpEQXXDM

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