{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950650,-0.310264,0.000000,0.000000,0.173698,-0.532211,0.828601,0.000000,-0.256542,0.786046,0.562422,0.000000,-1637996.582495,5018824.401677,3566966.792050,1],    "boundingVolume": {    "region": [1.886185,0.597227,1.886350,0.597396,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1385142.b3dm"}}}