Transaction not yet indexed

UpNakU2YDvBp8z7cGv6JzC8pYD8YS46mvxRDXETprg9xnFsLhzPqu1pyhzwon71TPUWqqnQpF2fhQdJ6XWCZqa6

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