{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949442,-0.313941,0.000000,0.000000,0.175098,-0.529543,0.830015,0.000000,-0.260029,0.786399,0.560322,0.000000,-1660249.034834,5021040.377786,3553624.938934,1],    "boundingVolume": {    "region": [1.890056,0.594642,1.890219,0.594908,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379742.b3dm"}}}