Transaction not yet indexed

MkkqLD1bZD7kRqTH126YBcPfcZwRJ5Y3XVLfMpLeTXaSf7AV7PVc65fbkWPkmv3K6nh5jJa7iqjLHbP1NvYN3rF

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