{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950338,-0.311219,0.000000,0.000000,0.172973,-0.528191,0.831321,0.000000,-0.258184,0.788391,0.558373,0.000000,-1648454.376437,5033720.435507,3541238.842111,1],    "boundingVolume": {    "region": [1.887186,0.592324,1.887357,0.592524,0.000000,7.847651]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/7_1321402.b3dm"}}}