Transaction not yet indexed

53o2CUdhNHAvd39PZfxfvsBiyyPWwU27NCJWjCMkrYiqnQxNo8WAF4jyWTud3NicDF8XeqUFApPQ7qkE4s8K8ds7

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