{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943964,-0.330049,0.000000,0.000000,0.184413,-0.527435,0.829339,0.000000,-0.273146,0.781219,0.561327,0.000000,-1744005.131119,4987983.815144,3560011.365428,1],    "boundingVolume": {    "region": [1.907104,0.595931,1.907199,0.596046,0.000000,8.789440]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298397.b3dm"}}}