{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949474,-0.313846,0.000000,0.000000,0.175435,-0.530742,0.829177,0.000000,-0.259686,0.785624,0.561567,0.000000,-1658061.055347,5016116.840765,3561537.517331,1],    "boundingVolume": {    "region": [1.889987,0.596238,1.890086,0.596320,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444478.b3dm"}}}