{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898095,-0.439801,0.000000,0.000000,0.284281,-0.580515,0.763011,0.000000,-0.334629,0.683329,0.648911,0.000000,-2137325.698068,4364520.109474,4116941.285658,1],    "boundingVolume": {    "region": [2.026108,0.706041,2.026240,0.706263,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820296.b3dm"}}}