{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950079,-0.312010,0.000000,0.000000,0.174390,-0.531022,0.829219,0.000000,-0.258180,0.786164,0.561506,0.000000,-1648447.831310,5019562.056661,3561148.591024,1],    "boundingVolume": {    "region": [1.888036,0.596101,1.888174,0.596309,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432312.b3dm"}}}