{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949836,-0.312747,0.000000,0.000000,0.174889,-0.531151,0.829031,0.000000,-0.258731,0.785784,0.561784,0.000000,-1651966.296696,5017142.507399,3562915.430520,1],    "boundingVolume": {    "region": [1.888795,0.596438,1.888966,0.596643,0.000000,8.666334]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1404913.b3dm"}}}