Transaction not yet indexed

mug1jRuiL568ieuQiF6bHhpYHHTFJL9DmKd44YPCKvqxt1b2DbKk21KNkCDQwDftj83vEsXqS52RbFSg4xjYRt9

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