Transaction not yet indexed

AmJz7oYS9mLjQ2bGrzEhfqd6tpCkfg7gDAmszuZNeoEmognahSGb24UU2X5RXvUucG4P4mm9tjoDPoWvZDtYffA

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