Transaction not yet indexed

mpPpWNkSKNtirJa2JXvWdXcbjKCvULGKi1jFKNbLuVnRcFwfucKapo8D5QyminPVE6q1qouaJeGFBR7DQpsrtE7

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