Transaction not yet indexed

am13YaFDxuBPcWxcoC7PPCmPEvLmNTpp8BLfLzkKeEhPXcH9TW2f9ZHxjDzQAE6tQxa55eQXui4AfENY7RUstV6

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