{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952003,-0.306088,0.000000,0.000000,0.113684,-0.353584,0.928469,0.000000,-0.283928,0.883082,0.373565,0.000000,-1811780.411117,5635051.116421,2367804.315782,1],    "boundingVolume": {    "region": [1.881796,0.382765,1.881958,0.382933,0.000000,6.969264]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_42060.b3dm"}}}