{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949034,-0.315175,0.000000,0.000000,0.176108,-0.530286,0.829327,0.000000,-0.260833,0.785402,0.561346,0.000000,-1665384.254794,5014696.384684,3560130.209687,1],    "boundingVolume": {    "region": [1.891368,0.595958,1.891506,0.596065,0.000000,13.419225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1068763.b3dm"}}}