Transaction not yet indexed

mMunmRC6ziPtcj4qKTTJbDtnwMVR2sNJe3kAfFsmkU8piZhnEmDrLUp4RWV8kcxLPF4AhSL9pMP1LPEbMU14Vtv

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