{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944269,-0.329174,0.000000,0.000000,0.184035,-0.527923,0.829113,0.000000,-0.272347,0.781256,0.561663,0.000000,-1738906.580486,4988230.548439,3562144.699468,1],    "boundingVolume": {    "region": [1.906168,0.596357,1.906282,0.596432,0.000000,8.778995]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191969.b3dm"}}}