{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897567,-0.440878,0.000000,0.000000,0.283140,-0.576434,0.766521,0.000000,-0.337004,0.686093,0.644751,0.000000,-2152455.964162,4382098.673170,4090478.064901,1],    "boundingVolume": {    "region": [2.027310,0.700663,2.027437,0.700732,0.000000,11.623494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_858919.b3dm"}}}