{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944350,-0.328943,0.000000,0.000000,0.183904,-0.527962,0.829118,0.000000,-0.272158,0.781327,0.561656,0.000000,-1737696.207790,4988682.922594,3562102.130922,1],    "boundingVolume": {    "region": [1.905923,0.596349,1.906038,0.596424,0.000000,8.812367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_131646.b3dm"}}}