Transaction not yet indexed

AMpf3FopvcyUebqt9sCk6WB9WqVF2zvQFaDFXQqLtNeFtCBx374HADMj8ZVTxY7BgyAg5n3o8yYWknu1b2PT36C

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