Transaction not yet indexed

5CffBV3b1JKs9e6JCFKKq4WmR4bKeMPZScAntFwEE5Q1cPPKGeWXf41Srq9iXHjzLuEPF3wi5NhKSmn6KBaFNDY4

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