{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949975,-0.312326,0.000000,0.000000,0.174489,-0.530730,0.829385,0.000000,-0.258493,0.786237,0.561260,0.000000,-1650444.987878,5020024.689931,3559581.637408,1],    "boundingVolume": {    "region": [1.888351,0.595804,1.888522,0.596010,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433891.b3dm"}}}