{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950226,-0.311563,0.000000,0.000000,0.174172,-0.531204,0.829148,0.000000,-0.257787,0.786218,0.561611,0.000000,-1645941.390609,5019909.119757,3561814.172201,1],    "boundingVolume": {    "region": [1.887564,0.596227,1.887702,0.596436,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397113.b3dm"}}}