Transaction not yet indexed

21LDKPdxpmRGCdTFj5guzrdVL59T1ZmTaV8tcuXwtRjKGp8KVGWBHMTjpcLJM4tFWAHZvxdyk2pPdSDn6xVZJSKE

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