{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949631,-0.313369,0.000000,0.000000,0.175252,-0.531080,0.829000,0.000000,-0.259235,0.785584,0.561831,0.000000,-1655189.165996,5015866.952727,3563213.601122,1],    "boundingVolume": {    "region": [1.889459,0.596513,1.889612,0.596682,0.000000,9.988233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1411855.b3dm"}}}