{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896567,-0.442909,0.000000,0.000000,0.283333,-0.573542,0.768617,0.000000,-0.339489,0.687218,0.642245,0.000000,-2168304.930793,4389232.256956,4074535.247453,1],    "boundingVolume": {    "region": [2.029553,0.697349,2.029721,0.697499,0.000000,44.451716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_500301.b3dm"}}}