Transaction not yet indexed

55U6jJxqAr5i1frTAGyFQu3pkx8UmfkDYQiwCiWRp3VNRSaVf2sieeLxECGLs7pYYEM2tY9h4EysgURz97EXL7D2

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