{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896958,-0.442115,0.000000,0.000000,0.285521,-0.579263,0.763500,0.000000,-0.336607,0.682904,0.648334,0.000000,-2149952.089816,4361798.420281,4113274.415798,1],    "boundingVolume": {    "region": [2.028700,0.705360,2.028803,0.705429,0.000000,8.109864]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_1845361.b3dm"}}}