Transaction not yet indexed

5M99U5XihEyWSTrC8wwCq8cgxVSqLUjGEo2hWLbmeNW8AcE7wAyhJPopGqsGVef65zLxuWSyYHdVm2mTSFgacT34

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