Transaction not yet indexed

mamb6txMYgXjePLpFg1kqCFL3FNfV7NpzLSrP66oPbAEEfDRn8zzvDHVntvSCe49GjZmdtC72wBnfLdV3osB2Xi

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