Transaction not yet indexed

AB21hdWR9A4w9evmBf4eVNhk8D3r5Bw4DLY1tVpi68FRDLcGmB1NFK72pnYeNi8eqAVc9khLsaMy6HgKQ8qehoE

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