Transaction not yet indexed

YmSFpmD5MNtVdKSWrTJn3YkYSmmRJuTH58jYyWTpNrxHKP3XsDcCfK4UvCfeZwDp9q5eGYoVJoahCn5AwGDw9Uz

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