Transaction not yet indexed

MfpSDcyJRTUFCmXcAxUMgLGhQtBBMF7wMPSwrMKCdbJZWRa1PoKYYuoXhp6tP7uTdwW9xWtqZHT6KoUfZp6N99Z

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