{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950728,-0.310026,0.000000,0.000000,0.173542,-0.532186,0.828650,0.000000,-0.256360,0.786157,0.562349,0.000000,-1636835.788996,5019533.096434,3566505.508903,1],    "boundingVolume": {    "region": [1.885934,0.597139,1.886099,0.597308,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383491.b3dm"}}}