{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949124,-0.314904,0.000000,0.000000,0.175880,-0.530106,0.829490,0.000000,-0.260660,0.785633,0.561103,0.000000,-1664280.278160,5016164.654466,3558588.056916,1],    "boundingVolume": {    "region": [1.891083,0.595665,1.891220,0.595771,0.000000,8.797547]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1365287.b3dm"}}}