Transaction not yet indexed

21k5WYTj7PBNkGubESsmbcT1dWUSGaXnKWMxSmkbrgCdADAgfGqAprJDPe2PTGcFZ9VyRCN1J4GxqifX9L6vR8YK

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