Transaction not yet indexed

MppnYuxTYEiZWWhE8L7k63eecUnqHmoXXqLjrDgwEd74b2P6bpvGqUiB4WDezMu1eqgyuJsWhHj6dGivpnSarcY

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