Transaction not yet indexed

5Ffb6XxbXoCxbVE7KhT4VLsjkvQa9jJthXP2yuiEpT3oFA3yKyMbVPbvVogjTuJgRSAhPptyi4QyWycbAk33gkZ4

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