Transaction not yet indexed

M99mUUTvtw5qPi1SAJ53RADsZXFZfSb4Pp4As7KEghiTbcTwo8P3jJR8tn2pSaZxwrfX83J5XqEFt46DG8kzerA

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