{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943805,-0.330502,0.000000,0.000000,0.184498,-0.526865,0.829683,0.000000,-0.273636,0.781414,0.560817,0.000000,-1747126.103569,4989221.286494,3556767.392510,1],    "boundingVolume": {    "region": [1.907584,0.595315,1.907679,0.595430,0.000000,8.747778]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/4_1275715.b3dm"}}}