Transaction not yet indexed

QCx4MEQfeD5sm2vFCnsHVfwDNtAwGM1nSWpU72nHCQDY5Sy4wrWcCqNfFJFNTrpbLG1jrtmnevysk6yGCtADRK8

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