Transaction not yet indexed

mMym74ER8ZPMacMKE1yoLTrShsq46p9AEDNJhv1qHMwMEm8sJAx87GFioWzQoNBu8hEQig6AsHH1ZV2VDCMAyWM

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