Transaction not yet indexed

mamNevCZLyNVUBxmvBBSK9nLS2Ksg8aGqa1L2yfDUfFs1pj89xva7DnyEyiM1dXuSbwxJEcm5iU4F3P1b2BCxkH

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