{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948844,-0.315744,0.000000,0.000000,0.176386,-0.530060,0.829412,0.000000,-0.261331,0.785328,0.561219,0.000000,-1668564.003160,5014216.962904,3559321.965441,1],    "boundingVolume": {    "region": [1.891968,0.595804,1.892105,0.595911,0.000000,8.775112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1147509.b3dm"}}}