Transaction not yet indexed

21UbFVSyfhBfrtSrWDx9FNYMpNG7y6mvEDv7DFo7MqDcdfqxG1Lq6SivwLRCau5hynXrEvPdFr4WJvBZshKesnBM

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