Transaction not yet indexed

21ME3Ly8V8u6v7MKAhaSH5z2dWNq6H7xzWVZEtFMzeTLvFHj2SmuWUday6FSE9ZPuXWmi5JBy2cNnWiLSZ9jfKG8

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