Transaction not yet indexed

NU1FXkR239gjAZbG1Em2miKo3gzrRF5qFfEh75h6wLKsNJqLaycDP1fxRE7gSTeYgnqx8qBmrtd78htAiv4uGk6

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