{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950740,-0.309991,0.000000,0.000000,0.173329,-0.531600,0.829071,0.000000,-0.256463,0.786569,0.561725,0.000000,-1637485.074249,5022154.606488,3562541.459266,1],    "boundingVolume": {    "region": [1.885897,0.596385,1.886062,0.596554,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386057.b3dm"}}}