Transaction not yet indexed

639t4FJsiSyaUyd58MvH2mrcGjgK8ASukX65LVTgAgrE1sWKWpnQParprN2p9xYGyZukK8sjTtnmTJdLH8aXmrqY

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