{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950851,-0.309648,0.000000,0.000000,0.173261,-0.532042,0.828801,0.000000,-0.256095,0.786404,0.562125,0.000000,-1635139.729712,5021102.812889,3565083.227313,1],    "boundingVolume": {    "region": [1.885537,0.596869,1.885702,0.597038,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388229.b3dm"}}}