Transaction not yet indexed

556WZ9koqrb89zUvA5HB6i9Gsf4gSc9MyCdZUZCF7cMGpUmLSio7eqdEYfTKQQ631GPPRuP2cHBngX6RNSuSpfaC

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