Transaction not yet indexed

AmGpBymG5Xc9da1tJztsQzE7X4GKxZ3Gwige7wZQtbe6FJpAKHJ1YQpMcyUgSFaZgvRYdGtbVE1VBYvFkBP95Ht

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