{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943125,-0.332439,0.000000,0.000000,0.186189,-0.528215,0.828446,0.000000,-0.274826,0.779676,0.562652,0.000000,-1754735.907463,4978155.052213,3568429.222935,1],    "boundingVolume": {    "region": [1.909623,0.597550,1.909748,0.597630,0.000000,7.263609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1255373.b3dm"}}}