Transaction not yet indexed

21MzgGBLz6stKHWRENP2944hgnL1SdK4zboLFcTGC5QUHfdB6T86aWSqwSzTTsfeFQmDkEKJPVkmtHZATGLK3LL4

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