Transaction not yet indexed

Am9dB2kSSoD43TM4v31mJfg7AMKkMkh2Vi3D2RnYvceex6gPDyoX3odFM8YE8iSaFBxXe7iSY6cozy1uoKvgo7F

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