Transaction not yet indexed

AMNpb3EgqTquxLgS823Ejm55dZqQymBwybbjNWgSFBf4AnhWz2rJHH5gdfWC8ZGUb92LqfW31yAkpjN8YSbbFD5

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