Transaction not yet indexed

MNB1yjcXuQqNpQ9eADRuJEPB3LdZE5cg1eGYjBooFkWW5Kf5wHajFSQEM1un3dWHYCUVBarFHn2NcxfW8N4ypPY

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