{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943181,-0.332278,0.000000,0.000000,0.186063,-0.528145,0.828519,0.000000,-0.274717,0.779792,0.562544,0.000000,-1754041.575200,4978896.034689,3567741.366474,1],    "boundingVolume": {    "region": [1.909452,0.597419,1.909577,0.597499,0.000000,8.563592]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1255732.b3dm"}}}