{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944319,-0.329030,0.000000,0.000000,0.183933,-0.527888,0.829158,0.000000,-0.272243,0.781340,0.561597,0.000000,-1738239.504901,4988765.928938,3561723.335701,1],    "boundingVolume": {    "region": [1.906015,0.596277,1.906130,0.596352,0.000000,8.778190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_852021.b3dm"}}}