{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898097,-0.439797,0.000000,0.000000,0.284315,-0.580592,0.762941,0.000000,-0.334595,0.683267,0.648994,0.000000,-2137107.115249,4364124.455002,4117470.585261,1],    "boundingVolume": {    "region": [2.026103,0.706150,2.026235,0.706373,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821292.b3dm"}}}