{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896502,-0.443040,0.000000,0.000000,0.282982,-0.572620,0.769433,0.000000,-0.339953,0.687903,0.641266,0.000000,-2171257.446691,4393590.898824,4068302.559602,1],    "boundingVolume": {    "region": [2.029692,0.696090,2.029875,0.696203,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_942220.b3dm"}}}