Transaction not yet indexed

Kouo99Y1dW9p3oKXt47ktKo2U6w7cbq4P66E6nmr2qRg79hPfFYVHjoHVo6kwD6KKQBhkUAMTGhABE23AppQTn9

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