Transaction not yet indexed

AMpjtdiXKaxMFPYQrYS3hSJDPGwhWKjkXCR66SbNgimc9MmvXbESzePQiyqLCFBAKkhh1GR2zi6feV8eCJtDFK9

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