{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949910,-0.312524,0.000000,0.000000,0.174431,-0.530181,0.829748,0.000000,-0.258772,0.786531,0.560719,0.000000,-1652220.852403,5021890.007108,3556148.147677,1],    "boundingVolume": {    "region": [1.888563,0.595189,1.888727,0.595320,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356406.b3dm"}}}