{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871408,-0.490559,0.000000,0.000000,0.211813,-0.376255,0.901980,0.000000,-0.441917,0.785003,0.434142,0.000000,-2820387.752791,5010020.685375,2752215.046822,1],    "boundingVolume": {    "region": [2.083471,0.449045,2.083583,0.449126,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_225013.b3dm"}}}