{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898710,-0.438543,0.000000,0.000000,0.283207,-0.580379,0.763514,0.000000,-0.333893,0.684251,0.648318,0.000000,-2132618.470027,4370400.686743,4113167.646167,1],    "boundingVolume": {    "region": [2.024690,0.705313,2.024855,0.705432,0.000000,28.690844]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1844157.b3dm"}}}