Transaction not yet indexed

MUnu3ky4y2W7wxNgTA6YFWgBqAGh2VHuWSnn9LnUctTKLnSLCpXkwAb2eXpmcgGoUR6MC8ymoYH5aLnHN9Eo51z

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