Transaction not yet indexed

ddkmP6iKuN4qiMkLWRsoTfqsGpMgYj3tYL2Mt1PXS1iaXtwbkEA6hTGnsjjrN7mGuhXv8yazMpRE81MKKLE9CA8

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