{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943964,-0.330048,0.000000,0.000000,0.184398,-0.527391,0.829371,0.000000,-0.273156,0.781249,0.561280,0.000000,-1744069.409205,4988175.330997,3559713.529731,1],    "boundingVolume": {    "region": [1.907103,0.595875,1.907199,0.595990,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271541.b3dm"}}}