Transaction not yet indexed

Dffp4a6TQLkv7ZmgVwLdEq7VyQPqNVwsGPzqgWrN4uMNN7dYHvcNSpC9qktexa6cM38vZHKsshoXkfeDimPe53a

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