{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943901,-0.330227,0.000000,0.000000,0.184471,-0.527280,0.829425,0.000000,-0.273323,0.781249,0.561200,0.000000,-1745129.840778,4988173.240276,3559200.169199,1],    "boundingVolume": {    "region": [1.907293,0.595777,1.907388,0.595892,0.000000,8.688728]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1297875.b3dm"}}}