Transaction not yet indexed

Me6d2gxKGdKjDXUbE9mxLgrbLiKGfN7XQPinSxaCe1DfbE4eR2JyM9XU2pN3P2taiECeJdDadAU5oKNZcKNPTab

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