Transaction not yet indexed

645uDTzVLfcCFPCTouqwA3fj9AuiT8NJbFKTscg3dCDAnPrc5ePsVswAnpbJrs12zGaqhLXVWL3B2SdkYd6uz67h

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