{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895736,-0.444587,0.000000,0.000000,0.284139,-0.572471,0.769118,0.000000,-0.340999,0.687031,0.641644,0.000000,-2177943.975783,4388030.460767,4070712.727717,1],    "boundingVolume": {    "region": [2.031449,0.696581,2.031570,0.696699,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663933.b3dm"}}}