{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949640,-0.313342,0.000000,0.000000,0.175069,-0.530580,0.829358,0.000000,-0.259326,0.785935,0.561299,0.000000,-1655761.483304,5018095.688417,3559830.837869,1],    "boundingVolume": {    "region": [1.889457,0.595913,1.889556,0.595995,0.000000,10.817835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1361396.b3dm"}}}