Transaction not yet indexed

MSKQEMfzZzHZat3zo7kRrFrn2eYsskRbKQmHsbZfmf8b1emtX2SDYVQfAwUQbwJGMkSAqLj1uXXtdc3FRcs8Fm5

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