Transaction not yet indexed

Am4RHqwD4fy2BSuAggvfkNwpfCHhzTuVhLQfe8TYfVwTE2qmj9v6svvSkvqVH4DaLEXRFFvXvLNRV5GpswBqzAQ

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