Transaction not yet indexed

421ApKtJQxEExDX6f8s4h9PqHubFeYUniCgaiYk8Uw9ek3zQVju5ekMWqmiHCTzUcboYspnge5TrAnMVpXQw8MBa

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