{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949820,-0.312798,0.000000,0.000000,0.174848,-0.530933,0.829180,0.000000,-0.258819,0.785912,0.561564,0.000000,-1652530.009022,5017955.376732,3561518.416933,1],    "boundingVolume": {    "region": [1.888848,0.596173,1.889019,0.596378,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1440087.b3dm"}}}