Transaction not yet indexed

21CmvbMPRTNGmnZ5mya3UCz8NkjQVSJSgccbQzPhmGppvPU5GmfSDB1nJwPT9xiNTjCWKFcbJZ9eNJfMwmsCZ5M2

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