Transaction not yet indexed

NmC9RFuoNzAHYVAH6v5XkzKjsJWKLFKPb6TXEs3tHm7riyUQjiww6TEWnPVfSZdd83vWPbB2u6A4LhsfjphMik9

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