{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949640,-0.313342,0.000000,0.000000,0.175058,-0.530547,0.829382,0.000000,-0.259333,0.785957,0.561264,0.000000,-1655809.948752,5018238.353047,3559608.676133,1],    "boundingVolume": {    "region": [1.889457,0.595871,1.889556,0.595953,0.000000,10.923164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1361689.b3dm"}}}