Transaction not yet indexed

5AmbGGkznVHm7Wh6Qp8jRRb1bP5dDnUcoGc8LP4bmwWmWW9YVgFuPCPcnxW36Nuna1RJBZYn3dtRTLDu7ZLNxKHQ

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