Transaction not yet indexed

MkxAc98PSMEJM6ZnSEfxhvUXVkAPLbSmk3LGRCwCGfw2EPqEG3UK3t6jZCHDFKSAsJzrFNsSSbRyVYgdMKA9SLk

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