Transaction not yet indexed

TDnU53EwmmWWx9kshER7ra8pfo3bdgHSg9qhXdZkHpM7cPpyENo9ZEK2v6UMD1TnCT7uczLSf6DfHzswVH5jLVq

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