{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943838,-0.330408,0.000000,0.000000,0.183876,-0.525257,0.830839,0.000000,-0.273943,0.782541,0.559093,0.000000,-1749077.935916,4996382.151596,3545812.895370,1],    "boundingVolume": {    "region": [1.907478,0.593202,1.907587,0.593382,0.000000,7.599126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1246260.b3dm"}}}