{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871411,-0.490554,0.000000,0.000000,0.211762,-0.376170,0.902027,0.000000,-0.441937,0.785048,0.434042,0.000000,-2820513.057155,5010301.272682,2751580.057504,1],    "boundingVolume": {    "region": [2.083466,0.448934,2.083578,0.449015,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221575.b3dm"}}}