{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944025,-0.329874,0.000000,0.000000,0.184409,-0.527737,0.829148,0.000000,-0.272938,0.781088,0.561611,0.000000,-1742679.873878,4987152.039751,3561813.059697,1],    "boundingVolume": {    "region": [1.906919,0.596274,1.907014,0.596389,0.000000,8.749306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1288855.b3dm"}}}