Transaction not yet indexed

421UAFjUsf12FsPaytu5GWJjrcfKS9KE1CU5UK4VHiWM6AanbVTt78qkVXvzkkuhS9NKfW3dU1xpeBUhBQgkgTeJ

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