{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949579,-0.313528,0.000000,0.000000,0.175145,-0.530461,0.829419,0.000000,-0.259499,0.785942,0.561209,0.000000,-1656867.937053,5018138.820061,3559259.035007,1],    "boundingVolume": {    "region": [1.889653,0.595805,1.889752,0.595887,0.000000,8.527746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1362377.b3dm"}}}