{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950068,-0.312042,0.000000,0.000000,0.174014,-0.529818,0.830068,0.000000,-0.258473,0.786968,0.560244,0.000000,-1650309.505833,5024670.528343,3553127.073708,1],    "boundingVolume": {    "region": [1.888056,0.594615,1.888220,0.594746,0.000000,12.501222]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1459335.b3dm"}}}