{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943400,-0.331658,0.000000,0.000000,0.185788,-0.528471,0.828372,0.000000,-0.274155,0.779833,0.562760,0.000000,-1750457.633894,4979164.158581,3569117.842933,1],    "boundingVolume": {    "region": [1.908795,0.597681,1.908920,0.597761,0.000000,8.734205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1255057.b3dm"}}}