{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943995,-0.329960,0.000000,0.000000,0.184434,-0.527654,0.829196,0.000000,-0.273025,0.781108,0.561540,0.000000,-1743232.166180,4987281.880751,3561363.993964,1],    "boundingVolume": {    "region": [1.907010,0.596188,1.907105,0.596303,0.000000,8.804748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1300498.b3dm"}}}