Transaction not yet indexed

121WWGacQxaFbfq28TmXN4gk2RniZNacYVkjMUpXMmV9HMy11pqUgDfXEE6JrW2JTvdWtoXFXjbfUe26EGMUbAm6

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