Transaction not yet indexed

64EngBWkjaSetfwka1EzqVGJgpbxcSsiuHrHum45q7ZmqSRGPuxzL6hfVG2VLk21nsahfsMeCKCQpxq93qnYm6Ze

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