{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943330,-0.331857,0.000000,0.000000,0.185907,-0.528455,0.828356,0.000000,-0.274315,0.779760,0.562784,0.000000,-1751473.366370,4978697.873232,3569268.984760,1],    "boundingVolume": {    "region": [1.909005,0.597710,1.909131,0.597790,0.000000,8.518011]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1254959.b3dm"}}}