{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949593,-0.313485,0.000000,0.000000,0.175229,-0.530794,0.829188,0.000000,-0.259390,0.785733,0.561552,0.000000,-1656177.158744,5016808.808843,3561440.071531,1],    "boundingVolume": {    "region": [1.889608,0.596219,1.889707,0.596301,0.000000,8.894543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444158.b3dm"}}}