{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897731,-0.440544,0.000000,0.000000,0.282885,-0.576457,0.766599,0.000000,-0.336782,0.686289,0.644659,0.000000,-2151038.988481,4383346.341584,4089890.557030,1],    "boundingVolume": {    "region": [2.026937,0.700543,2.027064,0.700611,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857806.b3dm"}}}