Transaction not yet indexed

ACkZFjCLjXFBi35kVkLS3HwuzfPvfn22SnB5dKYjDh6Dt3x7v9DSVgrtfBcWa37hVXMPgk8VSGmodvED2SkEixx

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