Transaction not yet indexed

121HmLtSKRMULAaEwkjp9q3nFi9AtbV3uKc8uRb9FHD7bCVn5MdkvNEqvQCV3PvmKZmEASKoai5cb3Krbg9RSS6y

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