{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948629,-0.316391,0.000000,0.000000,0.176637,-0.529608,0.829647,0.000000,-0.261941,0.785374,0.560870,0.000000,-1672458.255139,5014504.761150,3557103.068985,1],    "boundingVolume": {    "region": [1.892671,0.595324,1.892767,0.595547,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1187523.b3dm"}}}