{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871208,-0.490915,0.000000,0.000000,0.212025,-0.376272,0.901923,0.000000,-0.442210,0.784773,0.434261,0.000000,-2822255.704410,5008549.787890,2752972.153648,1],    "boundingVolume": {    "region": [2.083879,0.449177,2.083992,0.449258,0.000000,126.350600]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_227272.b3dm"}}}