{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894949,-0.446168,0.000000,0.000000,0.284191,-0.570046,0.770898,0.000000,-0.343010,0.688030,0.639499,0.000000,-2190767.950174,4394365.947126,4057066.013397,1],    "boundingVolume": {    "region": [2.033209,0.693784,2.033342,0.693909,0.000000,60.304625]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_980743.b3dm"}}}