{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949338,-0.314258,0.000000,0.000000,0.175686,-0.530728,0.829133,0.000000,-0.260013,0.785469,0.561633,0.000000,-1660152.358385,5015128.510269,3561952.325459,1],    "boundingVolume": {    "region": [1.890422,0.596317,1.890521,0.596399,0.000000,8.803256]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1416707.b3dm"}}}