{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944364,-0.328903,0.000000,0.000000,0.183875,-0.527952,0.829130,0.000000,-0.272129,0.781350,0.561638,0.000000,-1737510.786790,4988830.350671,3561986.880293,1],    "boundingVolume": {    "region": [1.905881,0.596327,1.905995,0.596402,0.000000,8.812367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_131761.b3dm"}}}