Transaction not yet indexed

638JT8CXFQRsfescRgStNNybZFuakjEwQg9XWjRT4bmpdTx9ckxDnnsaYvMWGDfEEAEvxhsEPCy8WYsLYTjGZ2WZ

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