Transaction not yet indexed

aM53Ey47ZE8kYsAA2g7GfnezjKYAqQCkJMbDFTF9CBytJeGyZYUHLTdvzLmx3mSnH1F2PEJV6bR7zzcALaE6FtA

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