{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897426,-0.441165,0.000000,0.000000,0.285820,-0.581421,0.761745,0.000000,-0.335105,0.681678,0.650400,0.000000,-2140381.227704,4354004.126585,4126413.996969,1],    "boundingVolume": {    "region": [2.027617,0.707997,2.027768,0.708224,0.000000,9.433461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797183.b3dm"}}}