Transaction not yet indexed

4AMZbLZfZzmqk1znCc2Xa2UdN3STGpkfxMcfhizUDEXpqBCcSTUc2CbD8ZZJmNjuvrMHrb9ESpSw1mBZbCoW1ky2

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