Transaction not yet indexed

553kZwNDFWM1bBhz8gnaoG2ZxPFadnh4WN8R23Y7FjLeAqjgthFCRcGutXM6CvGxSWqs9TuDLkJ2VpFKcXSTHzw5

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