Transaction not yet indexed

NT6QQbKH4FPtZXvwat4AUKX5ouNkz9tZTeSWT7htMzyhZBNVVEAUKeUWMjkiX1oPZ16iPHwVKChTWF6EDAb5qiZ

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