Transaction not yet indexed

Mu3cQMnUFT5uRthf6vFcVcjnDDFu1xEgX35fKgX5SU89GGYcRWY1dLuw1t1D55CmSU2ppfsqF5Sb495MA8Nzh3Y

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