{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949298,-0.314377,0.000000,0.000000,0.175714,-0.530590,0.829216,0.000000,-0.260138,0.785515,0.561510,0.000000,-1660948.090713,5015420.470465,3561175.429085,1],    "boundingVolume": {    "region": [1.890528,0.596157,1.890666,0.596263,0.000000,8.819522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1446368.b3dm"}}}