{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950198,-0.311645,0.000000,0.000000,0.174218,-0.531187,0.829149,0.000000,-0.257856,0.786197,0.561609,0.000000,-1646380.986360,5019772.742794,3561803.280724,1],    "boundingVolume": {    "region": [1.887651,0.596225,1.887789,0.596434,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397087.b3dm"}}}