{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312177,0.000000,0.000000,0.174089,-0.529791,0.830069,0.000000,-0.258585,0.786933,0.560242,0.000000,-1651027.209851,5024445.642593,3553111.770718,1],    "boundingVolume": {    "region": [1.888198,0.594612,1.888362,0.594743,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1376963.b3dm"}}}