{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950600,-0.310420,0.000000,0.000000,0.173490,-0.531280,0.829242,0.000000,-0.256871,0.786618,0.561471,0.000000,-1640090.130851,5022458.087704,3560925.805747,1],    "boundingVolume": {    "region": [1.886382,0.596113,1.886480,0.596212,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1427292.b3dm"}}}