{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950376,-0.311102,0.000000,0.000000,0.174118,-0.531906,0.828709,0.000000,-0.257269,0.785923,0.562261,0.000000,-1642636.747549,5018036.336624,3565948.411085,1],    "boundingVolume": {    "region": [1.887100,0.597068,1.887198,0.597167,0.000000,8.811527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1385444.b3dm"}}}