{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948793,-0.315899,0.000000,0.000000,0.176249,-0.529357,0.829890,0.000000,-0.261611,0.785742,0.560508,0.000000,-1670351.373001,5016845.828382,3554806.766407,1],    "boundingVolume": {    "region": [1.892153,0.594888,1.892248,0.595111,0.000000,8.679202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1178496.b3dm"}}}