Transaction not yet indexed

MMPYWFoYL7seZckvnLtDesqgwXTQpJHQ8L8PqF1GVXSUdf7A97SmRHoNaR98mRJszJrtoqwM7g8bNb5AnmfPc19

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