Transaction not yet indexed

Mx56sLvFSEkyiFd378kGhwad2LzoPLW7jVFyubtpKNzjppS9Pj2Mu3Vzi3TRWT7Eyer2akS6o42UAwL7T5u326p

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