{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950488,-0.310761,0.000000,0.000000,0.173433,-0.530460,0.829779,0.000000,-0.257322,0.787039,0.560674,0.000000,-1642962.112609,5025133.924315,3555857.297041,1],    "boundingVolume": {    "region": [1.886740,0.595141,1.886840,0.595258,0.000000,8.808242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1450044.b3dm"}}}