{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949303,-0.314363,0.000000,0.000000,0.175702,-0.530580,0.829225,0.000000,-0.260129,0.785528,0.561497,0.000000,-1660889.800815,5015500.192083,3561090.906201,1],    "boundingVolume": {    "region": [1.890513,0.596141,1.890651,0.596247,0.000000,8.819522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1446017.b3dm"}}}