{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949842,-0.312732,0.000000,0.000000,0.174801,-0.530913,0.829202,0.000000,-0.258772,0.785952,0.561530,0.000000,-1652225.475312,5018209.733933,3561302.770710,1],    "boundingVolume": {    "region": [1.888778,0.596132,1.888949,0.596337,0.000000,18.001226]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1438123.b3dm"}}}