Transaction not yet indexed

MDP8wtNVuFnMnWdtP8cSKcMCrERgvHxUaQ32HCmEDBUhxDqJD8FwUGwfbDf9wjj5cXEw88HJX9YW4MgcZkSygkZ

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