Transaction not yet indexed

21gpbAz9rmGLekS2yxvqC6MQPx9Hfe7jPTWfJUsLmzLY4eJpyL6KkFjzHiGRxGPRZYSPoGmHBDqymzL2eZcekypN

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