Transaction not yet indexed

21m5ZgzAefhxceWNfZ7toUoq5qkVdEWoTi1vwT3qgqa5EaMtpPTDnLjWrCi5phyTdMe1TKHE494tHcXTJSGSV3ax

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