{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949905,-0.312538,0.000000,0.000000,0.174346,-0.529896,0.829948,0.000000,-0.258846,0.786718,0.560423,0.000000,-1652691.461958,5023079.046598,3554262.346639,1],    "boundingVolume": {    "region": [1.888578,0.594830,1.888741,0.594962,0.000000,11.207061]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1358219.b3dm"}}}