{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950280,-0.311396,0.000000,0.000000,0.173713,-0.530114,0.829941,0.000000,-0.257898,0.787022,0.560432,0.000000,-1646643.716556,5025022.276938,3554322.119466,1],    "boundingVolume": {    "region": [1.887408,0.594849,1.887508,0.594966,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452269.b3dm"}}}