{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857921,-0.513781,0.000000,0.000000,0.263146,-0.439405,0.858881,0.000000,-0.440497,0.735549,0.514714,0.000000,-2812042.453908,4695597.430156,3263835.213713,1],    "boundingVolume": {    "region": [2.110301,0.540612,2.110465,0.540737,0.000000,17.529366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_419024.b3dm"}}}