Transaction not yet indexed

121LEx5f5fDNZ86Z51i7K2A3ZQA5Tgtef6wwpLWn54v8FxWaKzHnqDvai7FLCMTR2zFP6i2c8ssPbTjd4HNFgroV

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