{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897991,-0.440013,0.000000,0.000000,0.283770,-0.579127,0.764256,0.000000,-0.335341,0.684373,0.647441,0.000000,-2141856.656301,4371161.648908,4107592.551748,1],    "boundingVolume": {    "region": [2.026343,0.704111,2.026476,0.704334,0.000000,16.473421]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1850431.b3dm"}}}