Transaction not yet indexed

5Cff6uQZFBGv9FU9JydrrM3CRJXNoHo28uqQ1dhjPKfjoc4vPgdqrwnHcmg619fywghtqY3dkgtkzRhgMUsijVzM

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