{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950660,-0.310234,0.000000,0.000000,0.173649,-0.532119,0.828671,0.000000,-0.256539,0.786121,0.562319,0.000000,-1637972.900380,5019300.428448,3566312.203171,1],    "boundingVolume": {    "region": [1.886152,0.597103,1.886318,0.597272,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384508.b3dm"}}}