{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950821,-0.309742,0.000000,0.000000,0.173205,-0.531691,0.829038,0.000000,-0.256247,0.786605,0.561774,0.000000,-1636105.600662,5022384.599567,3562848.936015,1],    "boundingVolume": {    "region": [1.885635,0.596444,1.885801,0.596613,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1386291.b3dm"}}}