Transaction not yet indexed

am2sWKGDnRKiFTeab6aJ7CoJrRgRNPM39qQJQyX72pephYnVWV8Jo1HqisvM4QRfESFvXkG5iB1ZDDEEchVbCn1

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