{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895386,-0.445290,0.000000,0.000000,0.288094,-0.579297,0.762507,0.000000,-0.338580,0.680814,0.649504,0.000000,-2162563.787550,4348469.952912,4120718.349362,1],    "boundingVolume": {    "region": [2.032235,0.706889,2.032354,0.706976,0.000000,6.490996]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/7_1812259.b3dm"}}}