Transaction not yet indexed

MAy2hqqQqcNfisqd1hzQeYXug2ykeDxWuyo3L8At6973wvxTW6DD2MBFXkKyA8EmteirPPqRoN4kyhqv3PbMX4Y

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