Transaction not yet indexed

MuECn5L246B2oa5ZoqDqvchnckm6iPtLpSP9JTfBrMtcbK9X9K2AF8Ff1jixyjUHAi2BgghP6ys5emyyMkKJwX2

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