{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898986,-0.437978,0.000000,0.000000,0.282900,-0.580676,0.763402,0.000000,-0.333414,0.684360,0.648449,0.000000,-2129559.243520,4371097.920161,4114006.040480,1],    "boundingVolume": {    "region": [2.024062,0.705486,2.024227,0.705605,0.000000,17.909010]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1827921.b3dm"}}}