{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950035,-0.312144,0.000000,0.000000,0.174073,-0.529803,0.830064,0.000000,-0.258557,0.786937,0.560249,0.000000,-1650846.082207,5024472.284640,3553157.944787,1],    "boundingVolume": {    "region": [1.888164,0.594621,1.888328,0.594752,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1461239.b3dm"}}}