{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871422,-0.490534,0.000000,0.000000,0.211741,-0.376153,0.902039,0.000000,-0.441924,0.785068,0.434017,0.000000,-2820433.062002,5010431.825178,2751425.369958,1],    "boundingVolume": {    "region": [2.083443,0.448907,2.083555,0.448988,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_220831.b3dm"}}}