{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898369,-0.439241,0.000000,0.000000,0.284014,-0.580886,0.762828,0.000000,-0.334122,0.683372,0.649126,0.000000,-2134090.994578,4364801.388694,4118311.654288,1],    "boundingVolume": {    "region": [2.025500,0.706398,2.025601,0.706472,0.000000,10.506877]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1818175.b3dm"}}}