Transaction not yet indexed

Q661e1EcUPfx3pVq2dhtB9Efog2Mhiq7M44xbmfwFMkArSQrKWRts2dw68PVKST7R4xKXToMM8QZ2vgNpURKbSd

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