{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949055,-0.315110,0.000000,0.000000,0.176132,-0.530479,0.829198,0.000000,-0.260738,0.785297,0.561537,0.000000,-1664781.687010,5014027.932282,3561345.135609,1],    "boundingVolume": {    "region": [1.891300,0.596189,1.891437,0.596296,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1446757.b3dm"}}}