Transaction not yet indexed

21i5mTbAMABXdcP9ZTrxfDAeAiGPHtmXFEoVDftZhrSPEUg6Ub9gMUNxwbpmjcr4TY1uAu7dKsr6rNz5js97bE5X

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