Transaction not yet indexed

56ufHeRtiYVEv4sKcGSGnMqn5k7bvUegyxcKGt3RcaM7dmJoZ9nafjY5rwBnV5D7ZCSH9hNEd6VjbWb8mKFeJM18

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