Transaction not yet indexed

MjKb2jMspp6HuYmShFBJSVdXFZs2SPKyLxcEy7MammpwhzrM5uhpKGC8yULsAaWaeN8R2Xy5ZgXKaUuHfNx1Yxn

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