{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943844,-0.330391,0.000000,0.000000,0.184154,-0.526081,0.830256,0.000000,-0.273735,0.781991,0.559963,0.000000,-1747753.956922,4992891.550051,3551341.011292,1],    "boundingVolume": {    "region": [1.907460,0.594251,1.907569,0.594431,0.000000,8.027493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1242507.b3dm"}}}