{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949206,-0.314654,0.000000,0.000000,0.115965,-0.349829,0.929608,0.000000,-0.292237,0.881581,0.370692,0.000000,-1864785.824914,5625431.600840,2349578.515621,1],    "boundingVolume": {    "region": [1.890835,0.379697,1.890943,0.379812,0.000000,51.248855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75976.b3dm"}}}