Transaction not yet indexed

1Nu5XJQt5cpkMqaSVFSkDUoTe22d2VBQazD7n2iCrdWkLQVSxQmtccXzFEusXfXZL1tCjgQcHXjunpCsEDdBti8

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