{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943162,-0.332335,0.000000,0.000000,0.186163,-0.528328,0.828380,0.000000,-0.274717,0.779643,0.562749,0.000000,-1754043.038982,4977951.719460,3569049.287564,1],    "boundingVolume": {    "region": [1.909512,0.597668,1.909637,0.597748,0.000000,8.288669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1255097.b3dm"}}}