Transaction not yet indexed

263hkKMXWFc56ytRuRQjgHiiWEd8pfGCsiQCLGLFLKi2zRBp86TAUbWzRY8qSXdyAy6qa4cA4Z1vnp2eTvNPUYp9

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