{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943979,-0.330007,0.000000,0.000000,0.184173,-0.526823,0.829782,0.000000,-0.273259,0.781652,0.560670,0.000000,-1744717.083563,4990734.587862,3555832.998629,1],    "boundingVolume": {    "region": [1.907059,0.595137,1.907155,0.595252,0.000000,8.731361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1276452.b3dm"}}}