Transaction not yet indexed

66u16rL9LzUsqsYz2mCxdx5LdDnsp5b9PS9xicsVXZaRE2pFS6z2sW1UMJSxYFBCkrVyLgBY2LM5314EqmSYqCBm

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