{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943122,-0.332446,0.000000,0.000000,0.186064,-0.527850,0.828707,0.000000,-0.274918,0.779922,0.562265,0.000000,-1755325.850704,4979718.657952,3565973.119426,1],    "boundingVolume": {    "region": [1.909645,0.597115,1.909739,0.597130,0.000000,8.128849]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/1.b3dm"}}}