Transaction not yet indexed

2E15CbprSrt7NC1RqfAnZtoWSdvVVZoYi1DZJbzK72nEdYcZiNdaMHrpL7Qd17YautoLSjP5QWua5vNk6N6tUAx1

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