Transaction not yet indexed

a8nnqPvqhSsqqecCjtpb6WBUb6cQTVEyVW6KuNdGc7CDvwVUYY8ApCQdaBAoKxsCJtryxV9F8vqeKBLMsHcMkU9

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