Transaction not yet indexed

AmRLmcRPigrh5tezUGPCXXsHwzeT9Jxkh7RMnDBG3FNpntqqVcPVmgq8irb4NdfS8us2qkfF31ASjYWKEev3Fqk

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