Transaction not yet indexed

SpMNnAVec4sgLSXxDEoaNr1t4EmxAqucsaZPfT1V3PZPYnAxZTJNSdn9NEHeSUsxJKFb4K3AeywujxZCCdqDL8m

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