{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896917,-0.442199,0.000000,0.000000,0.282385,-0.572764,0.769545,0.000000,-0.339358,0.688322,0.641131,0.000000,-2167455.598093,4396267.269737,4067444.281846,1],    "boundingVolume": {    "region": [2.028754,0.695914,2.028937,0.696027,0.000000,41.386122]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448723.b3dm"}}}