{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943958,-0.330064,0.000000,0.000000,0.184207,-0.526818,0.829778,0.000000,-0.273305,0.781631,0.560676,0.000000,-1745014.314391,4990603.597403,3555870.738596,1],    "boundingVolume": {    "region": [1.907120,0.595144,1.907216,0.595259,0.000000,8.804152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_1276416.b3dm"}}}