{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948755,-0.316012,0.000000,0.000000,0.176437,-0.529712,0.829623,0.000000,-0.261620,0.785456,0.560905,0.000000,-1670409.304121,5015027.049866,3557328.002719,1],    "boundingVolume": {    "region": [1.892272,0.595367,1.892368,0.595590,0.000000,8.463032]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1071650.b3dm"}}}