Transaction not yet indexed

MP8oBqXXApAgxTTRxZVy95dbXoSjteHyqa1gHWUV9CJSzqeTawrkR2BhsgqnxVYLWijq3YGSdrrrNbuna2S4uBE

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