{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943327,-0.331864,0.000000,0.000000,0.185867,-0.528329,0.828446,0.000000,-0.274350,0.779843,0.562652,0.000000,-1751697.221299,4979224.036940,3568430.707101,1],    "boundingVolume": {    "region": [1.909012,0.597550,1.909137,0.597630,0.000000,8.649866]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1286486.b3dm"}}}