{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943350,-0.331800,0.000000,0.000000,0.185945,-0.528666,0.828213,0.000000,-0.274219,0.779640,0.562996,0.000000,-1750866.211415,4977937.706516,3570617.782436,1],    "boundingVolume": {    "region": [1.908945,0.597967,1.909070,0.598046,0.000000,8.059478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/13_1284876.b3dm"}}}