Transaction not yet indexed

ngUukB7bVMVsF6Tqf4R5RXaW62F7wWKMaTgZr6UcXbbkv7KevQbnwXfhd2Y14Y6cj9YciZTkhGYK6dVbxh2cSnG

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