Transaction not yet indexed

Mb8TwFD4SKyAFjWuViUHDLfvjxvHgqisNP5LKB5W45UemSg5yLdWWmMY2bcfHikBsLVPTs5ayv8fkNTfYViqy4e

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