{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891037,-0.453930,0.000000,0.000000,0.292131,-0.573435,0.765397,0.000000,-0.346468,0.680095,0.646089,0.000000,-2212913.062800,4343810.843954,4098990.068883,1],    "boundingVolume": {    "region": [2.041920,0.702406,2.042015,0.702493,0.000000,14.620680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1363303.b3dm"}}}