Transaction not yet indexed

cos4n6CAvQNQuDySpKTXZ7JcLsMLmouor1TcgTi538yLCowtqJnWYRxrRZBi5XZFcfT3REZjfmdKryEQRe6arqk

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