{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950486,-0.310768,0.000000,0.000000,0.173375,-0.530270,0.829912,0.000000,-0.257369,0.787165,0.560475,0.000000,-1643263.712074,5025933.929364,3554595.553895,1],    "boundingVolume": {    "region": [1.886706,0.594886,1.886888,0.595032,0.000000,8.794159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1449314.b3dm"}}}