Transaction not yet indexed

21p4UzMPEkJERLxtXuJD9kvY16dLv7ZWf25KuWHn1uK7PFpTiUJBqAxgRJz68RbVjE51ra5o7rvF6qZhMSByk6tM

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