{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898414,-0.439150,0.000000,0.000000,0.283626,-0.580241,0.763463,0.000000,-0.334333,0.683979,0.648378,0.000000,-2135431.601610,4368664.934640,4113549.462587,1],    "boundingVolume": {    "region": [2.025429,0.705440,2.025469,0.705463,0.000000,12.235294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8.b3dm"}}}