{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898427,-0.439122,0.000000,0.000000,0.283601,-0.580236,0.763477,0.000000,-0.334318,0.684002,0.648362,0.000000,-2135332.036251,4368808.470005,4113449.381470,1],    "boundingVolume": {    "region": [2.025352,0.705319,2.025484,0.705542,0.000000,15.890044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831775.b3dm"}}}