{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896326,-0.443395,0.000000,0.000000,0.283766,-0.573635,0.768388,0.000000,-0.339760,0.686827,0.642521,0.000000,-2170033.526053,4386740.172460,4076286.607903,1],    "boundingVolume": {    "region": [2.030113,0.697724,2.030245,0.697843,0.000000,48.623411]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_536982.b3dm"}}}