{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950469,-0.310818,0.000000,0.000000,0.173825,-0.531549,0.829000,0.000000,-0.257125,0.786277,0.561831,0.000000,-1641714.872239,5020292.429209,3563214.809044,1],    "boundingVolume": {    "region": [1.886801,0.596548,1.886899,0.596647,0.000000,13.374002]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1392224.b3dm"}}}