Transaction not yet indexed

NM3tYypPc7jkbgCL166yMmatwsJ28eiZCu5Do5TiWcdD7wKSxXnWUFY2AoCSNq1xc559UjdvhWxeTUEjyWJkYN9

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