{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949335,-0.314267,0.000000,0.000000,0.175745,-0.530889,0.829018,0.000000,-0.259984,0.785356,0.561805,0.000000,-1659966.680185,5014408.408214,3563045.138228,1],    "boundingVolume": {    "region": [1.890430,0.596555,1.890532,0.596576,0.000000,8.784292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_1417821.b3dm"}}}