{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943124,-0.332442,0.000000,0.000000,0.186164,-0.528141,0.828499,0.000000,-0.274845,0.779725,0.562573,0.000000,-1754860.790285,4978470.425860,3567931.155204,1],    "boundingVolume": {    "region": [1.909625,0.597455,1.909750,0.597535,0.000000,8.581497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1255640.b3dm"}}}