{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948763,-0.315990,0.000000,0.000000,0.176338,-0.529458,0.829807,0.000000,-0.261660,0.785637,0.560633,0.000000,-1670661.465677,5016178.427442,3555597.457859,1],    "boundingVolume": {    "region": [1.892248,0.595038,1.892344,0.595261,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1074435.b3dm"}}}