{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899079,-0.437787,0.000000,0.000000,0.282757,-0.580696,0.763440,0.000000,-0.333285,0.684465,0.648405,0.000000,-2128735.062526,4371765.514612,4113725.099906,1],    "boundingVolume": {    "region": [2.023849,0.705428,2.024014,0.705547,0.000000,17.353750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827823.b3dm"}}}