Transaction not yet indexed

556ytQKcUdfzKChqREFbuv4Hy3mqmRgTHFMbCnRrwpCBuoKP1yHoDWGvh334w2GbNVDTt6y6d3nzspnWgNMGo9Lx

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