Transaction not yet indexed

AmbcQwxqGk9Ra1aae8DSWWGHCmb18B7xdRVktVJiMTAz2Libm5FymPNTSjYFjkgZqCNFyXXiqZbvnP3J2fWUAhs

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