Transaction not yet indexed

21LkgAeyeaNRCzG1fcHT4U1TR5ccuq6ZC1Q5HHzFnLTCCvRamqVcffe3EXuvMkQcQdYgRgRsWTdZCwat8QPjBmCo

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