{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948709,-0.316151,0.000000,0.000000,0.176507,-0.529663,0.829640,0.000000,-0.261740,0.785433,0.560881,0.000000,-1671175.765775,5014883.037164,3557172.083634,1],    "boundingVolume": {    "region": [1.892418,0.595337,1.892514,0.595561,0.000000,8.765963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1071970.b3dm"}}}