Transaction not yet indexed

5b99cGDQfcKyZT4z7k8YmMLqdffW8p4rjJVHGMYoiFzZgiiSdoiPYiExNh6tgoNAsDYe3VkybNHc33QDboG2iNMz

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