Transaction not yet indexed

MYMBNwABoa5owdpfJoE9LdDB7jV2AMbMmuBNj5Rp4dmwpS7s8Q6VdfTbA9yg5E9TJ1qG34iJDBM8TGc1CVNKn2V

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