{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871370,-0.490626,0.000000,0.000000,0.211788,-0.376143,0.902032,0.000000,-0.442004,0.785016,0.434031,0.000000,-2820940.398104,5010097.857631,2751512.817087,1],    "boundingVolume": {    "region": [2.083548,0.448922,2.083660,0.449003,0.000000,39.098830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_221236.b3dm"}}}