Transaction not yet indexed

s991AvwYy37pJxFdWnRcJSXfPVGkHLFgW946SnbZRGy1sRuKsk8w6TiGFkihQdZzyj3m8WhrPwoQYoAWSV5JsJ5

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