Transaction not yet indexed

28UbZ9yStwDzeuXKaLA1c6qdSDkFXKSSgNSPFeEcLbNw7LcfMp5Ubko11wAc56c6RgFSsoJW8S1TYCUGswKwksEy

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