{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949864,-0.312664,0.000000,0.000000,0.116213,-0.353053,0.928358,0.000000,-0.289993,0.880991,0.373843,0.000000,-1850481.005801,5621711.742506,2369571.130384,1],    "boundingVolume": {    "region": [1.888714,0.383085,1.888871,0.383214,0.000000,4.531603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_62974.b3dm"}}}