{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950891,-0.309527,0.000000,0.000000,0.173272,-0.532304,0.828631,0.000000,-0.255942,0.786273,0.562378,0.000000,-1634164.267010,5020273.434617,3566687.328692,1],    "boundingVolume": {    "region": [1.885410,0.597174,1.885575,0.597343,0.000000,8.790559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_1383709.b3dm"}}}