Transaction not yet indexed

NmPnSEiQ1YAH8392ZjiUiXFJBV6SqHre7jjkZHmu6Q28ZbmAfc7dxfa78FBS2K2fzPSzWtsa4RZfBzn8BjhMtm8

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