{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951901,-0.306404,0.000000,0.000000,0.169929,-0.527915,0.832124,0.000000,-0.254438,0.790458,0.557170,0.000000,-1624527.349983,5046895.201898,3533587.458234,1],    "boundingVolume": {    "region": [1.882156,0.590930,1.882263,0.591017,0.000000,8.332514]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/31/34_1382817.b3dm"}}}