Transaction not yet indexed

53MCS4je2FTaNfxHPzXMNuK2E2cUaUmXVgth4xHA1YGUP9JfZGJgRHF5WqyeM4MPoUKvaVT8Kd36pBuiRMsTTq71

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