Transaction not yet indexed

621DFxtb81rvHzK2mxhEP2h1LU5dbYYfEgKBuc2xmXHvvCeSexsxFncbefNPbvEWUYscjPUrTAHGyikgFX28yH35

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