{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949905,-0.312538,0.000000,0.000000,0.174446,-0.530198,0.829734,0.000000,-0.258779,0.786514,0.560740,0.000000,-1652265.931931,5021780.312902,3556281.209040,1],    "boundingVolume": {    "region": [1.888578,0.595214,1.888742,0.595345,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356220.b3dm"}}}