{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898678,-0.438609,0.000000,0.000000,0.283241,-0.580341,0.763531,0.000000,-0.333951,0.684241,0.648298,0.000000,-2132987.804775,4370338.443366,4113043.107779,1],    "boundingVolume": {    "region": [2.024764,0.705287,2.024929,0.705406,0.000000,28.690844]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1844133.b3dm"}}}