{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949609,-0.313437,0.000000,0.000000,0.175306,-0.531119,0.828964,0.000000,-0.259280,0.785531,0.561885,0.000000,-1655474.534640,5015528.846577,3563554.644401,1],    "boundingVolume": {    "region": [1.889556,0.596652,1.889657,0.596673,0.000000,12.546474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/12_1414846.b3dm"}}}