Transaction not yet indexed

WfULUkNfQSSMmikfT2ZqtsHcrEprQZ3Z5aXfpw6h7eBddBGcXjK6o7EZVkAmgm1U55TPBVzFpsW5pYU6YRUEPm6

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