{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948927,-0.315497,0.000000,0.000000,0.176209,-0.529988,0.829495,0.000000,-0.261153,0.785475,0.561095,0.000000,-1667426.365992,5015156.468332,3558536.640557,1],    "boundingVolume": {    "region": [1.891708,0.595655,1.891845,0.595762,0.000000,8.756736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_1070218.b3dm"}}}