Transaction not yet indexed

53LKNa9YpdXMerZP4vXENwtLzgnjvDZAPyXu13Un1vkY9F2aF5s6cDx79f3WZe5Cb3gSYVzKUzpshUB6b2DQmvoY

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