{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871366,-0.490634,0.000000,0.000000,0.211802,-0.376160,0.902022,0.000000,-0.442006,0.785002,0.434053,0.000000,-2820955.933564,5010012.096343,2751652.104592,1],    "boundingVolume": {    "region": [2.083558,0.448946,2.083670,0.449027,0.000000,59.299828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_221923.b3dm"}}}