{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897939,-0.440119,0.000000,0.000000,0.282494,-0.576349,0.766824,0.000000,-0.336558,0.686651,0.644390,0.000000,-2149602.235822,4385656.889106,4088180.132942,1],    "boundingVolume": {    "region": [2.026465,0.700191,2.026591,0.700260,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883832.b3dm"}}}