Transaction not yet indexed

21d6URnUa2cUSQmqy1EyeJUtxcCVj58vMRkpP1okU39xXRmnDjfCS2oWi6YBK2VH9TYGUKpZiDfyRipmCUSmrpAV

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