{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950035,-0.312144,0.000000,0.000000,0.174062,-0.529773,0.830086,0.000000,-0.258563,0.786957,0.560217,0.000000,-1650885.650278,5024603.687633,3552955.104297,1],    "boundingVolume": {    "region": [1.888163,0.594582,1.888327,0.594713,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460899.b3dm"}}}