Transaction not yet indexed

121Z2HmVpyaXJ5X3o68DeeD6cKn5XiXaA3mBgMCBcWq7Ps4ryxgYoXDY59poYthy3sQuvZ9bE2ur7UjcdBRpNFL9

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