Transaction not yet indexed

55FKCKbaTJUEHUEnfS3MegcqkfCiBcwKDR789PdZbtRkUrDAc3xJYvetnZZ6Fv7LXvk7SjTP2pc7fRvmGPqZZAk6

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