{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898811,-0.438336,0.000000,0.000000,0.283076,-0.580450,0.763509,0.000000,-0.333734,0.684323,0.648324,0.000000,-2131599.235711,4370861.483038,4113206.079262,1],    "boundingVolume": {    "region": [2.024460,0.705321,2.024625,0.705440,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843760.b3dm"}}}