Transaction not yet indexed

5U31rkSAy6xvj3qjpGM2HkBSiaDjbJDcZjmDyGgS9L5NUEnU9PFUdcEJBPfFwvWWqnCBGCTwPpWmF8vFXFVKPvux

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