{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944154,-0.329506,0.000000,0.000000,0.184178,-0.527736,0.829200,0.000000,-0.272651,0.781244,0.561534,0.000000,-1740843.439106,4988146.185717,3561322.253726,1],    "boundingVolume": {    "region": [1.906519,0.596201,1.906634,0.596275,0.000000,8.415798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1266529.b3dm"}}}