{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896746,-0.442546,0.000000,0.000000,0.282675,-0.572794,0.769416,0.000000,-0.339567,0.688075,0.641286,0.000000,-2168790.459554,4394690.121636,4068430.320621,1],    "boundingVolume": {    "region": [2.029141,0.696116,2.029324,0.696229,0.000000,45.244429]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_472933.b3dm"}}}