Transaction not yet indexed

Nb4aGQCwcqgPEKWgHL3Yzzgczph3xgsXppW5pnVvYdogwzxRqui8danXYxuVLbpsdXf6M2xF8x4S3bV8zifgdrA

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