{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951957,-0.306231,0.000000,0.000000,0.169787,-0.527803,0.832223,0.000000,-0.254325,0.790599,0.557020,0.000000,-1623806.196665,5047795.819374,3532638.758225,1],    "boundingVolume": {    "region": [1.881974,0.590750,1.882082,0.590837,0.000000,8.670358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/29/32_1321728.b3dm"}}}