{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871395,-0.490583,0.000000,0.000000,0.211807,-0.376221,0.901995,0.000000,-0.441947,0.785005,0.434109,0.000000,-2820576.061927,5010030.642872,2752005.345797,1],    "boundingVolume": {    "region": [2.083499,0.449008,2.083611,0.449089,0.000000,71.686345]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224041.b3dm"}}}