{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944266,-0.329183,0.000000,0.000000,0.184007,-0.527827,0.829180,0.000000,-0.272377,0.781318,0.561563,0.000000,-1739096.877570,4988618.907606,3561512.147086,1],    "boundingVolume": {    "region": [1.906178,0.596237,1.906292,0.596311,0.000000,8.815695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851748.b3dm"}}}