{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949974,-0.312329,0.000000,0.000000,0.174501,-0.530757,0.829365,0.000000,-0.258490,0.786217,0.561289,0.000000,-1650426.128045,5019898.072534,3559767.687545,1],    "boundingVolume": {    "region": [1.888355,0.595840,1.888526,0.596045,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434176.b3dm"}}}