{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949217,-0.314621,0.000000,0.000000,0.115909,-0.349698,0.929665,0.000000,-0.292224,0.881645,0.370550,0.000000,-1864702.084563,5625839.074750,2348675.267203,1],    "boundingVolume": {    "region": [1.890800,0.379543,1.890908,0.379658,0.000000,40.140716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/18_7660.b3dm"}}}