Transaction not yet indexed

HE8smc4umkk5ZPzh2rhyrCoKA7rUrdAY2CpFdSpFiYoFAQbFAsUxRqeqCKCYfHh5x6XNTbzwzsWgx5n5CBuqTH6

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