{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944313,-0.329048,0.000000,0.000000,0.183970,-0.527963,0.829102,0.000000,-0.272240,0.781283,0.561679,0.000000,-1738217.446833,4988397.669099,3562246.325408,1],    "boundingVolume": {    "region": [1.906034,0.596376,1.906149,0.596451,0.000000,8.038346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_131390.b3dm"}}}