{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952123,-0.305716,0.000000,0.000000,0.112215,-0.349484,0.930198,0.000000,-0.284117,0.884857,0.369196,0.000000,-1812966.373915,5646316.254180,2340083.726365,1],    "boundingVolume": {    "region": [1.881448,0.378099,1.881524,0.378187,0.000000,8.277543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8.b3dm"}}}