Transaction not yet indexed

6621QRU6UFFPFwFm82gCPPz4wrc9oiWEC7SoLuAUnWXf98kRTTb1vGfGPgvs49bU3RBAwKFKqqGdePxYg8fqeio9

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