{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951685,-0.307076,0.000000,0.000000,0.114739,-0.355596,0.927570,0.000000,-0.284566,0.881922,0.375812,0.000000,-1815860.959949,5627683.159321,2382062.431253,1],    "boundingVolume": {    "region": [1.882868,0.385236,1.882963,0.385311,0.000000,6.722476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/13/50_38778.b3dm"}}}