{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950643,-0.310288,0.000000,0.000000,0.173188,-0.530603,0.829739,0.000000,-0.256917,0.787129,0.560733,0.000000,-1640380.685637,5025707.188575,3556236.335027,1],    "boundingVolume": {    "region": [1.886234,0.595214,1.886350,0.595328,0.000000,8.580394]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1345478.b3dm"}}}