Transaction not yet indexed

MMkfYwFsTKrtNFTbm222dmMqQCYsajNdUp2pMKBXJVD2MrcWunuEX5gGrpJuoamDY7d49isfJLUTCNSv1ufbw4G

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