Transaction not yet indexed

66FKz15jG29aEUrKBaueoM3XcVT4PiJCuESFGZzR5613mthExhKhWAVHREQb52zC5HE6LKiXPhGyhoJE6Fw2eHn6

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