Transaction not yet indexed

MU1b6epJVHqrdytShTdJwQAG3Gxf7LA5LxSySPqGM3YUNzb4uUMu49HJSCpmQuH2xTPgSoVgySfsLesuDk9bdrm

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