{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948713,-0.316139,0.000000,0.000000,0.176236,-0.528872,0.830202,0.000000,-0.261910,0.785973,0.560044,0.000000,-1672251.401697,5018316.461688,3551856.327843,1],    "boundingVolume": {    "region": [1.892406,0.594327,1.892501,0.594551,0.000000,8.779624]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1212827.b3dm"}}}