{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949980,-0.312311,0.000000,0.000000,0.174704,-0.531411,0.828903,0.000000,-0.258329,0.785780,0.561974,0.000000,-1649405.285901,5017120.598007,3564124.434727,1],    "boundingVolume": {    "region": [1.888352,0.596666,1.888490,0.596875,0.000000,8.551698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/5_1408182.b3dm"}}}