Transaction not yet indexed

5ambf6akpQAb57kUy5fXWQEB6ycGsMJwhuNapS1XAEfTU1gaBDw74Z9srdzC2gECJguAPJDz6o4nSY5ZngMJSSu1

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