{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310326,0.000000,0.000000,0.173622,-0.531860,0.828843,0.000000,-0.256669,0.786260,0.562064,0.000000,-1638802.789512,5020188.359993,3564691.693799,1],    "boundingVolume": {    "region": [1.886250,0.596794,1.886415,0.596963,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1327107.b3dm"}}}