{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871444,-0.490495,0.000000,0.000000,0.211704,-0.376126,0.902059,0.000000,-0.441899,0.785106,0.433975,0.000000,-2820271.907671,5010672.347512,2751154.365214,1],    "boundingVolume": {    "region": [2.083398,0.448859,2.083510,0.448940,0.000000,28.988250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/0_210899.b3dm"}}}