Transaction not yet indexed

MMm2FNmjrwvGPZ7LWP6ABX93cVwna2qhCwDsp5cbjMdM9CRKXBxm2CS3vZC7AfR51T19uDpnvTBM8h2xNEW2zmv

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