{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893982,-0.448102,0.000000,0.000000,0.288728,-0.576025,0.764743,0.000000,-0.341725,0.681755,0.646865,0.000000,-2182627.751985,4354430.745599,4103924.057072,1],    "boundingVolume": {    "region": [2.035355,0.703385,2.035521,0.703547,0.000000,47.848394]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1869772.b3dm"}}}