Transaction not yet indexed

21B9MKr1DbUrmjqeCc4RyjNqtjbtMiQoFxZvyZMv7ST2PKneNFc7PRK3PsZZ9KYL3dHSjjESQmBFqMKP9qZeDfx7

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