{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949841,-0.312732,0.000000,0.000000,0.174782,-0.530854,0.829244,0.000000,-0.258785,0.785992,0.561469,0.000000,-1652311.854497,5018462.463617,3560909.196825,1],    "boundingVolume": {    "region": [1.888779,0.596057,1.888950,0.596262,0.000000,12.478544]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1349221.b3dm"}}}