{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950776,-0.309879,0.000000,0.000000,0.172939,-0.530613,0.829785,0.000000,-0.256593,0.787283,0.560665,0.000000,-1638310.909311,5026690.057731,3555804.205836,1],    "boundingVolume": {    "region": [1.885804,0.595132,1.885920,0.595246,0.000000,8.766633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1341336.b3dm"}}}