{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944109,-0.329633,0.000000,0.000000,0.184154,-0.527439,0.829395,0.000000,-0.272821,0.781392,0.561245,0.000000,-1741926.682547,4989086.057807,3559487.914859,1],    "boundingVolume": {    "region": [1.906664,0.595832,1.906759,0.595947,0.000000,8.807094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/8_1296974.b3dm"}}}