{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948755,-0.316013,0.000000,0.000000,0.176345,-0.529433,0.829821,0.000000,-0.261684,0.785644,0.560611,0.000000,-1670815.942750,5016227.400871,3555456.725088,1],    "boundingVolume": {    "region": [1.892273,0.595011,1.892369,0.595235,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178718.b3dm"}}}