{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898125,-0.439741,0.000000,0.000000,0.284291,-0.580634,0.762917,0.000000,-0.334542,0.683267,0.649021,0.000000,-2136767.507337,4364125.295633,4117644.770680,1],    "boundingVolume": {    "region": [2.026040,0.706186,2.026173,0.706409,0.000000,29.018856]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821376.b3dm"}}}