Transaction not yet indexed

MStK3yGYij8FzbbTKwuxJo7Nckpha7DwjtpZ3RFs9oWURsMK3FPTUezY8GHMX7dfpbJSR9cgfTXjsNxPMBfT3ET

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