Transaction not yet indexed

Mb3gEXcRu15LGNUBj6EpmJs3jLKwchRJRTNuZgwDvtr8hWMEsFtcDUmyKfy1kNWNGFu5aYkXaiPGSDJiJaX3Jzo

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