{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943994,-0.329964,0.000000,0.000000,0.184186,-0.526938,0.829706,0.000000,-0.273198,0.781592,0.560782,0.000000,-1744329.896362,4990358.671569,3556545.672817,1],    "boundingVolume": {    "region": [1.907014,0.595272,1.907109,0.595387,0.000000,8.821102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1310520.b3dm"}}}